{"id":"CVE-2025-20156","state":"PUBLISHED","title":"Cisco Meeting Management Client-Server Privilege Escalation Vulnerability","description":"A vulnerability in the REST API of Cisco Meeting Management could allow a remote, authenticated attacker with low privileges to elevate privileges to administrator on an affected device.\r\n\r\nThis vulnerability exists because proper authorization is not enforced upon REST API users. An attacker could exploit this vulnerability by sending API requests to a specific endpoint. A successful exploit could allow the attacker to gain administrator-level control over edge nodes that are managed by Cisco Meeting Management.","publishedAt":"2025-01-22T16:21:20.333Z","updatedAt":"2026-02-26T19:08:58.432Z","severity":{"score":9.9,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","source":"cisco"},"assigner":"cisco","products":["Cisco Cisco Meeting Management"],"affected":[{"vendor":"Cisco","product":"Cisco Meeting Management","defaultStatus":"unknown","versions":[{"version":"CMM3.4.0","status":"affected"},{"version":"CMM3.2.0","status":"affected"},{"version":"CMM2.9.1","status":"affected"},{"version":"CMM2.9.0","status":"affected"},{"version":"CMM3.1.0","status":"affected"},{"version":"CMM3.5.0","status":"affected"},{"version":"CMM3.6.0","status":"affected"},{"version":"CMM3.6.1","status":"affected"},{"version":"CMM3.7.0","status":"affected"},{"version":"CMM3.8.0","status":"affected"},{"version":"CMM3.9.0","status":"affected"}]}],"references":["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cmm-privesc-uy2Vf8pc","https://blog.clamav.net/2025/01/clamav-142-and-108-security-patch.html","https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-ole2-H549rphA"],"weaknesses":["CWE-274"],"ingestedAt":"2026-10-29T20:08:39.238Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/20xxx/CVE-2025-20156.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-20156","state":"PUBLISHED","datePublished":"2025-01-22T16:21:20.333Z","dateUpdated":"2026-02-26T19:08:58.432Z","assignerShortName":"cisco","assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateReserved":"2024-10-10T19:15:13.216Z"},"containers":{"cna":{"title":"Cisco Meeting Management Client-Server Privilege Escalation Vulnerability","descriptions":[{"lang":"en","value":"A vulnerability in the REST API of Cisco Meeting Management could allow a remote, authenticated attacker with low privileges to elevate privileges to administrator on an affected device.\r\n\r\nThis vulnerability exists because proper authorization is not enforced upon REST API users. An attacker could exploit this vulnerability by sending API requests to a specific endpoint. A successful exploit could allow the attacker to gain administrator-level control over edge nodes that are managed by Cisco Meeting Management."}],"affected":[{"vendor":"Cisco","product":"Cisco Meeting Management","defaultStatus":"unknown","versions":[{"version":"CMM3.4.0","status":"affected"},{"version":"CMM3.2.0","status":"affected"},{"version":"CMM2.9.1","status":"affected"},{"version":"CMM2.9.0","status":"affected"},{"version":"CMM3.1.0","status":"affected"},{"version":"CMM3.5.0","status":"affected"},{"version":"CMM3.6.0","status":"affected"},{"version":"CMM3.6.1","status":"affected"},{"version":"CMM3.7.0","status":"affected"},{"version":"CMM3.8.0","status":"affected"},{"version":"CMM3.9.0","status":"affected"}]}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cmm-privesc-uy2Vf8pc","name":"cisco-sa-cmm-privesc-uy2Vf8pc"},{"url":"https://blog.clamav.net/2025/01/clamav-142-and-108-security-patch.html","name":"ClamAV blog"},{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-ole2-H549rphA","name":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-ole2-H549rphA"}],"metrics":[{"format":"cvssV3_1","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","baseScore":9.9,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-274","lang":"en","description":"Improper Handling of Insufficient Privileges","type":"cwe"}]}],"providerMetadata":{"shortName":"cisco","orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateUpdated":"2025-01-22T16:21:20.333Z"},"exploits":[{"lang":"en","value":"The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}],"source":{"advisory":"cisco-sa-cmm-privesc-uy2Vf8pc","discovery":"EXTERNAL","defects":["CSCwi88558"]}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2025-20156","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-01-24T04:56:07.663388Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-26T19:08:58.432Z"}}]}}}