{"id":"CVE-2024-45216","published":"2024-10-16T07:50:25Z","modified":"2024-11-08T04:55:08Z","title":"Apache Solr: Authentication bypass possible using a fake URL Path ending","vendor":"Apache Software Foundation","product":"Apache Solr","tier":"core","eol":null,"affectedVersions":[{"vendor":"Apache Software Foundation","product":"Apache Solr","versions":[">= 5.3.0, < 8.11.4",">= 9.0.0, < 9.7.0"]}],"description":{"text":"Improper Authentication vulnerability in Apache Solr.\n\nSolr instances using the PKIAuthenticationPlugin, which is enabled by default when Solr Authentication is used, are vulnerable to Authentication bypass.\nA fake ending at the end of any Solr API URL path, will allow requests to skip Authentication while maintaining the API contract with the original URL Path.\nThis fake ending looks like an unprotected API path, however it is stripped off internally after authentication but before API routing.\n\n\nThis issue affects Apache Solr: from 5.3.0 before 8.11.4, from 9.0.0 before 9.7.0.\n\nUsers are recommended to upgrade to version 9.7.0, or 8.11.4, which fix the issue.","provenance":"source","from":"CVE.org"},"summary":{"text":"Apache Solr has an authentication bypass flaw in its PKIAuthenticationPlugin, which is enabled by default when Solr Authentication is in use, affecting versions from 5.3.0 before 8.11.4 and from 9.0.0 before 9.7.0. An attacker with network access and no credentials or user interaction can skip authentication by appending a fake ending to the end of any Solr API URL path, which is stripped internally after authentication and before routing.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-29T07:11:53Z"},"cvss":{"score":9.8,"severity":"CRITICAL","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","provenance":"source","from":"CISA ADP Vulnrichment"},"epss":{"score":0.92747,"percentile":0.99828,"date":"2026-10-29","provenance":"source"},"kev":null,"vulncheckKev":{"dateAdded":"2025-10-31","exploitedFirstSeen":null,"ransomware":false,"evidence":[],"evidenceTotal":0,"provenance":"source"},"exploited":true,"otx":{"pulseCount":1,"pulses":[{"name":"ACTUALIZACION | Varias vulnerabilidades que afectan a Apache","url":"https://otx.alienvault.com/pulse/67169021f448c48c2786c3ef","created":"2024-10-21"}],"provenance":"machine"},"cwes":[{"id":"CWE-287","name":"Improper Authentication"},{"id":"CWE-863","name":"Incorrect Authorization"}],"references":[{"url":"https://solr.apache.org/security.html#cve-2024-45216-apache-solr-authentication-bypass-possible-using-a-fake-url-path-ending","tags":["vendor-advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2024/10/15/8","tags":[]}],"techniques":[],"reports":[],"affected":[{"ecosystem":"Maven","package":"org.apache.solr:solr","vulnerableRanges":[">=5.3.0, <8.11.4",">=9.0.0, <9.7.0"],"patched":["8.11.4","9.7.0"],"from":["GHSA-mjvf-4h88-6xm3"],"provenance":"source"}],"advisories":[{"id":"GHSA-mjvf-4h88-6xm3","url":"https://github.com/advisories/GHSA-mjvf-4h88-6xm3","severity":"CRITICAL","ecosystem":"Maven","package":"org.apache.solr:solr","vulnerableRanges":[">=5.3.0, <8.11.4"],"patched":["8.11.4"],"provenance":"source","from":"GHSA"},{"id":"GHSA-mjvf-4h88-6xm3","url":"https://github.com/advisories/GHSA-mjvf-4h88-6xm3","severity":"CRITICAL","ecosystem":"Maven","package":"org.apache.solr:solr","vulnerableRanges":[">=9.0.0, <9.7.0"],"patched":["9.7.0"],"provenance":"source","from":"GHSA"}],"euvd":{"id":"EUVD-2024-3084","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2024-3084","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":{"pocGithub":{"count":1,"skipped":0,"earliest":"2024-12-02","earliestUrl":"https://github.com/congdong007/CVE-2024-45216-Poc","repos":[{"name":"congdong007/CVE-2024-45216-Poc","url":"https://github.com/congdong007/CVE-2024-45216-Poc","stars":2,"created":"2024-12-02"}]},"nuclei":[{"id":"CVE-2024-45216","name":"Apache Solr - Authentication Bypass","severity":"critical","path":"http/cves/2024/CVE-2024-45216.yaml","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-45216.yaml"}],"first":{"date":"2024-12-02","source":"PoC-in-GitHub","url":"https://github.com/congdong007/CVE-2024-45216-Poc"},"provenance":"source"},"exploitRefs":[],"flow":[],"timeline":[{"date":"2024-10-16","kind":"published","label":"Published (CVE.org)","url":"https://www.cve.org/CVERecord?id=CVE-2024-45216","provenance":"source"},{"date":"2024-12-02","kind":"exploit-public","label":"First public exploit: PoC-in-GitHub","url":"https://github.com/congdong007/CVE-2024-45216-Poc","provenance":"source"}],"speed":{"daysToPublicExploit":47,"firstExploitFrom":"PoC-in-GitHub","daysToKev":null},"priority":{"score":72.5,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in VulnCheck KEV"},{"name":"Recent KEV listing","points":5.0,"detail":"added 364 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.97,"detail":"percentile 0.9983"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"1 PoC-in-GitHub repo; 1 nuclei template"},{"name":"Mentioned in OTX pulses","points":0.68,"detail":"1 pulse"},{"name":"CVSS severity","points":6.86,"detail":"base score 9.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}