Vendor
Apache
41 of 232 Apache CVEs in Patchfirst (18%) are in CISA KEVThe US Cybersecurity and Infrastructure Security Agency’s list of Known Exploited Vulnerabilities. A CVE is added when CISA has evidence that attackers are using it. of vulnerabilities exploited in the wild, 8 of them used by ransomware.
- CVEs
- 232
- In CISA KEV
- 4118%
- Known ransomware use
- 8
- Median days to KEV
- 503
- from publication
- Latest KEV listing
- 8 Oct 2026
Products
In KEVOther CVEs
- Struts In KEV: 6 CVEs: 7
- Tomcat In KEV: 6 CVEs: 7
- HTTP Server In KEV: 4 CVEs: 4
- ActiveMQ In KEV: 3 CVEs: 3
- OFBiz In KEV: 3 CVEs: 3
- Log4j2 In KEV: 2 CVEs: 2
- Solr In KEV: 2 CVEs: 2
- Struts 1 In KEV: 2 CVEs: 2
- Airflow In KEV: 1 CVEs: 1
- Airflow's Experimental API In KEV: 1 CVEs: 1
Top ATT&CK techniques
What attackers do with Apache CVEs- T1190Exploit Public-Facing Application CVEs: 39
- T1059Command and Scripting Interpreter CVEs: 30
- T1005Data from Local System CVEs: 6
- T1505.003Web Shell CVEs: 3
- T1499.004Application or System Exploitation CVEs: 3
Counts are Apache CVEs linked to the technique. Each link’s provenance is on the CVE page.
Apache CVEs
Top 100 of 232 by priority- CVE-2021-44228Apache Log4j2 Remote Code Execution VulnerabilityApache · Log4j2KEVRansomwarePublic exploitCritical · 10.0T1608.001Upload MalwareT1190Exploit Public-Facing Application+3 more · 10 reports>99.9%Top 0.01%90.0priority
- CVE-2016-3088Apache ActiveMQ Improper Input Validation VulnerabilityApache · ActiveMQKEVPublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter2 reports98.5%Top 0.08%86.0priority
- CVE-2021-45046Apache Log4j2 Deserialization of Untrusted Data VulnerabilityApache · Log4j2KEVRansomwarePublic exploitCritical · 9.0T1059Command and Scripting InterpreterT1486Data Encrypted for Impact2 reports>99.9%Top 0.02%85.4priority
- CVE-2021-42013Apache HTTP Server Path Traversal VulnerabilityApache · HTTP ServerKEVRansomwarePublic exploitCritical · 9.8T1059Command and Scripting InterpreterT1210Exploitation of Remote Services1 report>99.9%Top 0.02%83.7priority
- CVE-2018-11776Apache Struts Remote Code Execution VulnerabilityApache · StrutsKEVPublic exploitHigh · 8.1T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter+1 more · 1 report>99.9%Top 0.01%82.5priority
- CVE-2025-60021Apache bRPC: Remote command injection vulnerability in heap builtin serviceApache Software Foundation · Apache bRPCPublic exploitCritical · 9.825.5%Top 2%81.5priority
- CVE-2021-44832Apache Log4j2 vulnerable to RCE via JDBC Appender when attacker controls configurationApache Software Foundation · Apache Log4j2Public exploitMedium · 6.6T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter1 report97.9%Top 0.09%81.5priority
- CVE-2021-45105Apache Log4j2 does not always protect from infinite recursion in lookup evaluationApache Software Foundation · Apache Log4j2Public exploitMedium · 5.9T1190Exploit Public-Facing ApplicationT1499.004Application or System Exploitation1 report>99.9%Top 0.01%81.0priority
- CVE-2023-46604Apache ActiveMQ Deserialization of Untrusted Data VulnerabilityApache · ActiveMQKEVRansomwarePublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1059.004Unix Shell+1 more>99.9%Top 0.01%79.9priority
- CVE-2021-41773Apache HTTP Server Path Traversal VulnerabilityApache · HTTP ServerKEVRansomwarePublic exploitCritical · 9.8T1059Command and Scripting InterpreterT1210Exploitation of Remote Services>99.9%Top 0.01%79.9priority
- CVE-2017-5638Apache Struts Remote Code Execution VulnerabilityApache · StrutsKEVRansomwarePublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter+1 more>99.9%Top 0.01%79.9priority
- CVE-2021-40438Apache HTTP Server-Side Request Forgery (SSRF)Apache · ApacheKEVRansomwarePublic exploitCritical · 9.0T1190Exploit Public-Facing ApplicationT1090Proxy>99.9%Top 0.01%79.3priority
- CVE-2017-12615Apache Tomcat on Windows Remote Code Execution VulnerabilityApache · TomcatKEVRansomwarePublic exploitHigh · 8.1T1190Exploit Public-Facing ApplicationT1505.003Web Shell99.7%Top 0.05%78.7priority
- CVE-2017-9805Apache Struts Deserialization of Untrusted Data VulnerabilityApache · StrutsKEVPublic exploitHigh · 8.1T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter99.4%Top 0.06%78.7priority
- CVE-2026-33453Apache Camel: CoAP URI Query Parameter to Exchange Header Injection in camel-coap Allows Single-Packet Pre-Auth Remote…Apache Software Foundation · Apache CamelPublic exploitCritical · 10.09.2%Top 4.7%78.3priority
- CVE-2019-0211Apache HTTP Server Privilege Escalation Vulnerability65.0%Top 0.75%78.3priority
- CVE-2025-54988Apache Tika PDF parser module: XXE vulnerability in PDFParser's handling of XFAApache Software Foundation · Apache Tika PDF parser modulePublic exploitHigh · 8.447.9%Top 1.1%76.3priority
- CVE-2026-34197Apache ActiveMQ Improper Input Validation VulnerabilityApache · ActiveMQKEVPublic exploitHigh · 8.8T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter98.3%Top 0.08%74.1priority
- CVE-2024-27348Apache HugeGraph-Server Improper Access Control VulnerabilityApache · HugeGraph-ServerKEVPublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter1 report99.2%Top 0.07%73.7priority
- CVE-2016-3081Apache Struts Command Injection VulnerabilityApache · StrutsKEVPublic exploitHigh · 8.1T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter96.5%Top 0.12%73.6priority
- CVE-2025-68493Apache Struts, Apache Struts: XXE vulnerability in outdated XWork componentApache Software Foundation · Apache StrutsPublic exploitHigh · 8.150.4%Top 1.1%73.5priority
- CVE-2026-34486Apache Tomcat Missing Encryption of Sensitive Data Vulnerability98.5%Top 0.08%73.2priority
- CVE-2016-15057Apache Continuum: Command injection leading to RCEApache Software Foundation · Apache ContinuumPublic exploitCritical · 9.93.9%Top 9.8%73.0priority
- CVE-2022-33891Apache Spark Command Injection VulnerabilityApache · SparkKEVPublic exploitHigh · 8.8T1190Exploit Public-Facing ApplicationT1059.004Unix Shell1 report93.2%Top 0.17%73.0priority
- CVE-2024-45216Apache Solr: Authentication bypass possible using a fake URL Path endingApache Software Foundation · Apache SolrPublic exploitCritical · 9.892.7%Top 0.17%72.5priority
- CVE-2017-12617Apache Tomcat Remote Code Execution VulnerabilityApache · TomcatKEVPublic exploitHigh · 8.1T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter+1 more · 1 report>99.9%Top 0.02%72.5priority
- CVE-2024-56337Apache Tomcat: RCE due to TOCTOU issue in JSP compilation - CVE-2024-50379 mitigation was incompleteApache Software Foundation · Apache TomcatCritical · 9.89.0%Top 4.7%72.3priority
- CVE-2026-40466Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ: Possible bypass of CVE-2026-34197 via HTTP discovery…Apache Software Foundation · Apache ActiveMQ BrokerPublic exploitHigh · 8.84.8%Top 8.1%71.8priority
- CVE-2017-9798Apache httpd allows remote attackers to read secret data from process memory if the Limit directive can be set in a…Apache Software Foundation · Apache HTTP ServerPublic exploit95.0%Top 0.14%71.7priority
- CVE-2025-27817Apache Kafka Client: Arbitrary file read and SSRF vulnerabilityApache Software Foundation · Apache Kafka ClientPublic exploitHigh · 7.568.8%Top 0.66%71.2priority
- CVE-2026-44825Apache Solr: Enabling BasicAuth using bin/solr CLI configures additional insecure usersApache Software Foundation · Apache SolrPublic exploitHigh · 8.13.9%Top 9.7%71.1priority
- CVE-2016-0736In Apache HTTP Server versions 2.4.0 to 2.4.23, mod_session_crypto was encrypting its data/cookie using the configured…Apache Software Foundation · Apache HTTP ServerPublic exploit49.0%Top 1.1%71.1priority
- CVE-2024-32114Apache ActiveMQ: Jolokia and REST API were not secured with default configurationApache Software Foundation · Apache ActiveMQPublic exploitHigh · 8.57.1%Top 5.7%70.5priority
- CVE-2025-24813Apache Tomcat Path Equivalence VulnerabilityApache · TomcatKEVPublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter+1 more99.9%Top 0.03%69.9priority
- CVE-2024-32113Apache OFBiz Path Traversal VulnerabilityApache · OFBizKEVPublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1005Data from Local System99.9%Top 0.03%69.9priority
- CVE-2020-13945In Apache APISIX, the user enabled the Admin API and deleted the Admin API access IP restriction rulesApache Software Foundation · Apache APISIXPublic exploit73.0%Top 0.55%69.9priority
- CVE-2020-13927Apache Airflow's Experimental API Authentication BypassApache · Airflow's Experimental APIKEVPublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter99.8%Top 0.04%69.9priority
- CVE-2013-2251Apache Struts Improper Input Validation VulnerabilityApache · StrutsKEVPublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter>99.9%Top 0.01%69.9priority
- CVE-2024-38856Apache OFBiz Incorrect Authorization VulnerabilityApache · OFBizKEVPublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter99.4%Top 0.06%69.8priority
- CVE-2023-33246Apache RocketMQ Command Execution VulnerabilityApache · RocketMQKEVPublic exploitCritical · 9.8T1608.001Upload MalwareT1190Exploit Public-Facing Application+1 more96.6%Top 0.12%69.8priority
- CVE-2023-27524Apache Superset Insecure Default Initialization of Resource VulnerabilityApache · SupersetKEVPublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1078Valid Accounts98.1%Top 0.09%69.8priority
- CVE-2022-24706Apache CouchDB Insecure Default Initialization of Resource VulnerabilityApache · CouchDBKEVPublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1078Valid Accounts92.5%Top 0.17%69.8priority
- CVE-2022-24112Apache APISIX Authentication Bypass VulnerabilityApache · APISIXKEVPublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter96.1%Top 0.12%69.8priority
- CVE-2020-17530Apache Struts Remote Code Execution VulnerabilityApache · StrutsKEVPublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter96.3%Top 0.12%69.8priority
- CVE-2020-1938Apache Tomcat Improper Privilege Management VulnerabilityApache · TomcatKEVPublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter+1 more99.3%Top 0.06%69.8priority
- CVE-2017-9791Apache Struts 1 Improper Input Validation VulnerabilityApache · Struts 1KEVPublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter98.9%Top 0.07%69.8priority
- CVE-2016-4437Apache Shiro Code Execution VulnerabilityApache · ShiroKEVPublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter93.0%Top 0.17%69.8priority
- CVE-2012-0391Apache Struts 2 Improper Input Validation VulnerabilityApache · Struts 2KEVPublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter75.6%Top 0.48%69.8priority
- CVE-2023-25690Apache HTTP Server: HTTP request splitting with mod_rewrite and mod_proxyApache Software Foundation · Apache HTTP ServerPublic exploitCritical · 9.884.5%Top 0.3%69.6priority
- CVE-2018-8033In Apache OFBiz 16.11.01 to 16.11.04, the OFBiz HTTP engine (org.apache.ofbiz.service.engine.HttpEngine.java) handles…Apache Software Foundation · Apache OFBizPublic exploit25.7%Top 2%69.6priority
- CVE-2024-38475Apache HTTP Server Improper Escaping of Output VulnerabilityApache · HTTP ServerKEVPublic exploitCritical · 9.1T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter+2 more>99.9%Top 0.02%69.4priority
- CVE-2024-53677Apache Struts: Mixing setters for uploaded files and normal fields can allow bypass file upload checksApache Software Foundation · Apache StrutsPublic exploitCritical · 9.572.4%Top 0.56%69.2priority
- CVE-2020-11978Apache Airflow Command InjectionApache · AirflowKEVPublic exploitHigh · 8.8T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter99.2%Top 0.07%69.1priority
- CVE-2020-1956Apache Kylin OS Command Injection VulnerabilityApache · KylinKEVPublic exploitHigh · 8.8T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter97.4%Top 0.1%69.1priority
- CVE-2023-37582Apache RocketMQ: Possible remote code execution when using the update configuration functionApache Software Foundation · Apache RocketMQPublic exploitCritical · 9.890.4%Top 0.2%68.7priority
- CVE-2024-45195Apache OFBiz Forced Browsing VulnerabilityApache · OFBizKEVPublic exploitHigh · 7.5T1133External Remote ServicesT1059Command and Scripting Interpreter+1 more>99.9%Top 0.02%68.2priority
- CVE-2020-17519Apache Flink Improper Access Control VulnerabilityApache · FlinkKEVPublic exploitHigh · 7.5T1190Exploit Public-Facing ApplicationT1005Data from Local System98.0%Top 0.09%68.2priority
- CVE-2019-17558Apache Solr VelocityResponseWriter Plug-In Remote Code Execution VulnerabilityApache · SolrKEVPublic exploitHigh · 7.5T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter98.6%Top 0.08%68.2priority
- CVE-2021-4104Deserialization of untrusted data in JMSAppender in Apache Log4j 1.2Apache Software Foundation · Apache Log4j 1.xPublic exploitHigh · 7.580.6%Top 0.38%68.1priority
- CVE-2006-1547Apache Struts 1 ActionForm Denial-of-Service VulnerabilityApache · Struts 1KEVPublic exploitHigh · 7.5T1190Exploit Public-Facing ApplicationT1499.004Application or System Exploitation54.6%Top 0.98%68.1priority
- CVE-2023-50386Apache Solr: Backup/Restore APIs allow for deployment of executables in malicious ConfigSetsApache Software Foundation · Apache SolrPublic exploitHigh · 8.883.7%Top 0.31%68.0priority
- CVE-2019-0193Apache Solr DataImportHandler Code Injection VulnerabilityApache · SolrKEVPublic exploitHigh · 7.2T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter83.5%Top 0.31%68.0priority
- CVE-2023-25194Apache Kafka Connect API: Possible RCE/Denial of service attack via SASL JAAS JndiLoginModule configuration using…Apache Software Foundation · Apache Kafka Connect APIPublic exploitHigh · 8.895.8%Top 0.13%67.7priority
- CVE-2024-36104Apache OFBiz: Path traversal leading to a RCEApache Software Foundation · Apache OFBizPublic exploitCritical · 9.187.9%Top 0.24%66.3priority
- CVE-2024-45507Apache OFBiz: Prevent use of URLs in files when loading them from Java or Groovy, leading to a RCEApache Software Foundation · Apache OFBizPublic exploitHigh · 8.896.4%Top 0.12%66.1priority
- CVE-2025-27636Apache Camel: Camel Message Header Injection via Improper FilteringApache Software Foundation · Apache CamelPublic exploitMedium · 5.697.1%Top 0.11%65.8priority
- CVE-2025-29891Apache Camel: Camel Message Header Injection through request parametersApache Software Foundation · Apache CamelPublic exploitMedium · 4.876.1%Top 0.47%65.0priority
- CVE-2021-30128Unsafe deserialization in Apache OFBizApache Software Foundation · Apache OFBizPublic exploit81.2%Top 0.37%64.9priority
- CVE-2018-11770From version 1.3.0 onward, Apache Spark's standalone master exposes a REST API for job submission, in addition to the…Apache Software Foundation · Apache SparkPublic exploit65.8%Top 0.73%64.9priority
- CVE-2016-8735Apache Tomcat Remote Code Execution VulnerabilityApache · TomcatKEVCritical · 9.8T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter90.3%Top 0.2%64.8priority
- CVE-2022-47501Apache OFBiz: Arbitrary file reading vulnerabilityApache Software Foundation · Apache OFBizPublic exploitHigh · 7.510.2%Top 4.3%64.4priority
- CVE-2023-37941Apache Superset: Metadata db write access can lead to remote code executionApache Software Foundation · Apache SupersetPublic exploitMedium · 6.635.5%Top 1.6%64.3priority
- CVE-2022-42889Apache Commons Text prior to 1.10.0 allows RCE when applied to untrusted input due to insecure interpolation defaultsApache Software Foundation · Apache Commons TextPublic exploit99.9%Top 0.03%63.0priority
- CVE-2023-50164Apache Struts: File upload component had a directory traversal vulnerabilityApache Software Foundation · Apache StrutsPublic exploit80.8%Top 0.37%62.9priority
- CVE-2023-39265Apache Superset: Possible Unauthorized Registration of SQLite Database ConnectionsApache Software Foundation · Apache SupersetPublic exploitLow · 3.886.0%Top 0.27%62.6priority
- CVE-2023-26464Apache Log4j 1.x (EOL) allows DoS in Chainsaw and SocketAppenderApache Software Foundation · Apache Log4jHigh · 7.51.9%Top 20%62.3priority
- CVE-2017-12635Due to differences in the Erlang-based JSON parser and JavaScript-based JSON parser, it is possible in Apache CouchDB…Apache Software Foundation · Apache CouchDBPublic exploit99.8%Top 0.04%62.3priority
- CVE-2023-51467Apache OFBiz: Pre-authentication Remote Code Execution (RCE) vulnerabilityApache Software Foundation · Apache OFBizPublic exploit96.0%Top 0.12%62.2priority
- CVE-2021-31805Forced OGNL evaluation, when evaluated on raw not validated user input in tag attributes, may lead to RCE.Apache Software Foundation · Apache StrutsPublic exploit85.4%Top 0.28%62.0priority
- CVE-2017-12611In Apache Struts 2.0.0 through 2.3.33 and 2.5 through 2.5.10.1, using an unintentional expression in a Freemarker tag…Apache Software Foundation · Apache StrutsPublic exploit87.1%Top 0.25%61.9priority
- CVE-2021-25646Authenticated users can override system configurations in their requests which allows them to execute arbitrary code.Apache Software Foundation · Apache DruidPublic exploit99.1%Top 0.07%61.8priority
- CVE-2017-15715In Apache httpd 2.4.0 to 2.4.29, the expression specified in <FilesMatch> could match '$' to a newline character in a…Apache Software Foundation · Apache HTTP ServerPublic exploit85.5%Top 0.28%61.5priority
- CVE-2018-1335From Apache Tika versions 1.7 to 1.17, clients could send carefully crafted headers to tika-server that could be used…Apache Software Foundation · Apache TikaPublic exploit93.6%Top 0.16%61.1priority
- CVE-2018-8007Apache CouchDB administrative users can configure the database server via HTTP(S)Apache Software Foundation · Apache CouchDB12.2%Top 3.8%61.0priority
- CVE-2021-26295RCE vulnerability in latest Apache OFBiz due to Java serialisation using RMIApache Software Foundation · Apache OFBizPublic exploit97.8%Top 0.09%60.7priority
- CVE-2020-9480In Apache Spark 2.4.5 and earlier, a standalone resource manager's master may be configured to require authentication…Apache Software Foundation · Apache SparkPublic exploit29.4%Top 1.8%60.7priority
- CVE-2022-24288Apache Airflow: RCE in example DAGsApache Software Foundation · Apache AirflowPublic exploit77.9%Top 0.43%60.6priority
- CVE-2020-13942Remote Code Execution in Apache UnomiApache Software Foundation · Apache UnomiPublic exploit68.3%Top 0.67%60.5priority
- CVE-2023-47248PyArrow, PyArrow: Arbitrary code execution when loading a malicious data fileApache Software Foundation · PyArrowPublic exploit14.5%Top 3.4%60.4priority
- CVE-2021-37580Apache ShenYu Admin bypass JWT authenticationApache Software Foundation · Apache ShenYu AdminPublic exploit42.1%Top 1.3%60.4priority
- CVE-2019-17564Unsafe deserialization occurs within a Dubbo application which has HTTP remoting enabledApache · Apache DubboPublic exploit36.5%Top 1.5%60.4priority
- CVE-2023-49070Pre-auth RCE in Apache Ofbiz 18.12.09 due to XML-RPC still presentApache Software Foundation · Apache OFBizPublic exploit95.4%Top 0.13%60.0priority
- CVE-2021-27850Bypass of the fix for CVE-2019-0195Apache Software Foundation · Apache TapestryPublic exploit93.6%Top 0.16%60.0priority
- CVE-2020-1943Data sent with contentId to /control/stream is not sanitized, allowing XSS attacks in Apache OFBiz 16.11.01 to 16.11.07Apache · Apache OFBizPublic exploit97.3%Top 0.1%60.0priority
- CVE-2019-0232When running on Windows with enableCmdLineArguments enabled, the CGI Servlet in Apache Tomcat 9.0.0.M1 to 9.0.17…Apache · TomcatPublic exploit99.9%Top 0.03%60.0priority
- CVE-2018-11759The Apache Web Server (httpd) specific code that normalised the requested path before matching it to the URI-worker…Apache Software Foundation · Apache Tomcat ConnectorsPublic exploit90.6%Top 0.2%60.0priority
- CVE-2022-34305XSS in examples web applicationApache Software Foundation · Apache TomcatPublic exploit6.7%Top 6.1%59.9priority
- CVE-2021-36749Apache Druid: The HTTP inputSource allows authenticated users to read data from other sources than intended…Apache Software Foundation · Apache DruidPublic exploit80.9%Top 0.37%59.9priority
- CVE-2019-0192In Apache Solr versions 5.0.0 to 5.5.5 and 6.0.0 to 6.6.5, the Config API allows to configure the JMX server via an…Apache Software Foundation · Apache SolrPublic exploit78.2%Top 0.42%59.9priority
- CVE-2023-50968Apache OFBiz: Arbitrary file properties reading and SSRF attackApache Software Foundation · Apache OFBizPublic exploit63.4%Top 0.79%59.8priority