{"id":"CVE-2023-45249","published":"2024-07-24T14:15:04Z","modified":"2026-06-17T06:28:32Z","title":"Acronis Cyber Infrastructure (ACI) Insecure Default Password Vulnerability","vendor":"Acronis","product":"Cyber Infrastructure (ACI)","tier":"core","eol":null,"description":{"text":"Remote command execution due to use of default passwords. The following products are affected: Acronis Cyber Infrastructure (ACI) before build 5.0.1-61, Acronis Cyber Infrastructure (ACI) before build 5.1.1-71, Acronis Cyber Infrastructure (ACI) before build 5.2.1-69, Acronis Cyber Infrastructure (ACI) before build 5.3.1-53, Acronis Cyber Infrastructure (ACI) before build 5.4.4-132.","provenance":"source","from":"NVD"},"summary":{"text":"The Acronis Cyber Infrastructure (ACI) product ships with default passwords, which exposes the platform to remote command execution. An attacker with network access can exploit this without authenticating or requiring any user interaction, since the default credentials are already known and usable.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:12:03Z"},"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":"NVD"},"epss":{"score":0.53255,"percentile":0.9898,"date":"2026-10-29","provenance":"source"},"kev":{"dateAdded":"2024-07-29","dueDate":"2024-08-19","ransomware":false,"requiredAction":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","notes":"https://security-advisory.acronis.com/advisories/SEC-6452;  https://nvd.nist.gov/vuln/detail/CVE-2023-45249","provenance":"source"},"vulncheckKev":{"dateAdded":"2024-07-24","exploitedFirstSeen":"2024-07-24","ransomware":false,"evidence":[{"url":"https://security-advisory.acronis.com/updates/UPD-2310-9e7e-bd9b","date":"2024-07-24"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2024-07-29"}],"evidenceTotal":2,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev | Oct 30, 2026","url":"https://otx.alienvault.com/pulse/6ae35d889ea92b4ce19c2680","created":"2026-10-29"},{"name":"Actively_Exploited_Kev | Oct 29, 2026","url":"https://otx.alienvault.com/pulse/6ae20c1db17e7057ae7d9ad1","created":"2026-10-28"},{"name":"Actively_Exploited_Kev | Oct 28, 2026","url":"https://otx.alienvault.com/pulse/6ae0ba7e0e2a97ff7b218819","created":"2026-10-27"},{"name":"Actively_Exploited_Kev | Oct 27, 2026","url":"https://otx.alienvault.com/pulse/6adf68b85c3e852f3c111d18","created":"2026-10-26"},{"name":"Actively_Exploited_Kev | Oct 24, 2026","url":"https://otx.alienvault.com/pulse/6adb740e397c3ad4799aa4cd","created":"2026-10-23"},{"name":"Actively_Exploited_Kev | Oct 23, 2026","url":"https://otx.alienvault.com/pulse/6ada236fcfba2dfa730ea482","created":"2026-10-22"},{"name":"Actively_Exploited_Kev | Oct 22, 2026","url":"https://otx.alienvault.com/pulse/6ad8d33a077cbb5cab524d80","created":"2026-10-21"},{"name":"Actively_Exploited_Kev | Oct 21, 2026","url":"https://otx.alienvault.com/pulse/6ad78130c4d1ac2be83a8b6d","created":"2026-10-20"},{"name":"Actively_Exploited_Kev | Oct 20, 2026","url":"https://otx.alienvault.com/pulse/6ad62f63c24a405a3423cc13","created":"2026-10-19"},{"name":"Actively_Exploited_Kev | Oct 19, 2026","url":"https://otx.alienvault.com/pulse/6ad4dda174e5797d0bd238b7","created":"2026-10-18"}],"provenance":"machine"},"cwes":[{"id":"CWE-1393","name":"Use of Default Password"}],"references":[{"url":"https://security-advisory.acronis.com/advisories/SEC-6452","tags":["Vendor Advisory"]},{"url":"https://www.securityweek.com/acronis-product-vulnerability-exploited-in-the-wild/","tags":["Press/Media Coverage"]},{"url":"https://security-advisory.acronis.com/advisories/SEC-6452","tags":["Vendor Advisory"]},{"url":"https://www.securityweek.com/acronis-product-vulnerability-exploited-in-the-wild/","tags":["Press/Media Coverage"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-45249","tags":["Third Party Advisory","US Government Resource"]}],"techniques":[{"id":"T1078","name":"Valid Accounts","tactics":["initial-access","persistence","privilege-escalation","stealth"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Default credentials grant valid account access","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"Remote command execution due to use of default passwords","start":0,"end":56}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"},{"id":"T1059","name":"Command and Scripting Interpreter","tactics":["execution"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Remote command execution is the direct impact","mappingType":"primary_impact","evidence":[{"from":"description","quote":"Remote command execution due to use of default passwords","start":0,"end":56}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2023-49555","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-49555","exploited":true,"exploitedSince":"2024-07-29","provenance":"source"},"exploits":[],"exploitSources":{"metasploit":[{"name":"Acronis Cyber Infrastructure default password remote code execution","module":"exploit/linux/http/acronis_cyber_infra_cve_2023_45249","type":"exploit","disclosureDate":"2024-07-24","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/acronis_cyber_infra_cve_2023_45249.rb"}],"nuclei":[{"id":"CVE-2023-45249","name":"Acronis Cyber Infrastructure - Default Password","severity":"critical","path":"javascript/cves/2023/CVE-2023-45249.yaml","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/javascript/cves/2023/CVE-2023-45249.yaml"}],"first":{"date":"2024-07-24","source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/acronis_cyber_infra_cve_2023_45249.rb"},"provenance":"source"},"exploitRefs":[],"flow":[{"stage":"exploitation","techniques":["T1078"],"provenance":"ai"},{"stage":"primary","techniques":["T1059"],"provenance":"ai"}],"timeline":[{"date":"2024-07-24","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-45249","provenance":"source"},{"date":"2024-07-24","kind":"exploit-public","label":"First public exploit: Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/acronis_cyber_infra_cve_2023_45249.rb","provenance":"source"},{"date":"2024-07-24","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://security-advisory.acronis.com/updates/UPD-2310-9e7e-bd9b","provenance":"source"},{"date":"2024-07-29","kind":"kev","label":"Added to CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2024-07-29","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-49555","provenance":"source"}],"speed":{"daysToPublicExploit":0,"firstExploitFrom":"Metasploit","daysToKev":5},"priority":{"score":69.7,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in CISA KEV and VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 828 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.8,"detail":"percentile 0.9898"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"1 Metasploit module; 1 nuclei template"},{"name":"Mentioned in OTX pulses","points":3.0,"detail":"50 pulses"},{"name":"CVSS severity","points":6.86,"detail":"base score 9.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}