{"id":"CVE-2026-20034","state":"PUBLISHED","title":"Cisco Unity Connection Remote Code Execution Vulnerability","description":"A vulnerability in the web-based management interface of Cisco Unity Connection could allow an authenticated, remote attacker to execute arbitrary code on an affected device.\r\n\r\nThis vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by submitting a crafted API request. A successful exploit could allow the attacker to execute arbitrary code as root, possibly resulting in the complete compromise of a targeted device. To exploit this vulnerability, the attacker must have valid user credentials on the affected device.","publishedAt":"2026-05-06T16:16:05.322Z","updatedAt":"2026-05-07T03:55:48.652Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"cisco"},"assigner":"cisco","products":["Cisco Cisco Unity Connection"],"affected":[{"vendor":"Cisco","product":"Cisco Unity Connection","defaultStatus":"unknown","versions":[{"version":"12.5(1)","status":"affected"},{"version":"12.5(1)SU1","status":"affected"},{"version":"12.5(1)SU2","status":"affected"},{"version":"12.5(1)SU3","status":"affected"},{"version":"12.5(1)SU4","status":"affected"},{"version":"14","status":"affected"},{"version":"12.5(1)SU5","status":"affected"},{"version":"14SU1","status":"affected"},{"version":"12.5(1)SU6","status":"affected"},{"version":"14SU2","status":"affected"},{"version":"12.5(1)SU7","status":"affected"},{"version":"14SU3","status":"affected"},{"version":"12.5(1)SU8","status":"affected"},{"version":"14SU3a","status":"affected"},{"version":"12.5(1)SU8a","status":"affected"},{"version":"15","status":"affected"},{"version":"15SU1","status":"affected"},{"version":"14SU4","status":"affected"},{"version":"12.5(1)SU9","status":"affected"},{"version":"15SU2","status":"affected"},{"version":"15SU3","status":"affected"}]}],"references":["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-unity-rce-ssrf-hENhuASy"],"weaknesses":["CWE-35"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/20xxx/CVE-2026-20034.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-20034","state":"PUBLISHED","datePublished":"2026-05-06T16:16:05.322Z","dateUpdated":"2026-05-07T03:55:48.652Z","assignerShortName":"cisco","assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateReserved":"2025-10-08T11:59:15.353Z"},"containers":{"cna":{"title":"Cisco Unity Connection Remote Code Execution Vulnerability","descriptions":[{"lang":"en","value":"A vulnerability in the web-based management interface of Cisco Unity Connection could allow an authenticated, remote attacker to execute arbitrary code on an affected device.\r\n\r\nThis vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by submitting a crafted API request. A successful exploit could allow the attacker to execute arbitrary code as root, possibly resulting in the complete compromise of a targeted device. To exploit this vulnerability, the attacker must have valid user credentials on the affected device."}],"affected":[{"vendor":"Cisco","product":"Cisco Unity Connection","defaultStatus":"unknown","versions":[{"version":"12.5(1)","status":"affected"},{"version":"12.5(1)SU1","status":"affected"},{"version":"12.5(1)SU2","status":"affected"},{"version":"12.5(1)SU3","status":"affected"},{"version":"12.5(1)SU4","status":"affected"},{"version":"14","status":"affected"},{"version":"12.5(1)SU5","status":"affected"},{"version":"14SU1","status":"affected"},{"version":"12.5(1)SU6","status":"affected"},{"version":"14SU2","status":"affected"},{"version":"12.5(1)SU7","status":"affected"},{"version":"14SU3","status":"affected"},{"version":"12.5(1)SU8","status":"affected"},{"version":"14SU3a","status":"affected"},{"version":"12.5(1)SU8a","status":"affected"},{"version":"15","status":"affected"},{"version":"15SU1","status":"affected"},{"version":"14SU4","status":"affected"},{"version":"12.5(1)SU9","status":"affected"},{"version":"15SU2","status":"affected"},{"version":"15SU3","status":"affected"}]}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-unity-rce-ssrf-hENhuASy","name":"cisco-sa-unity-rce-ssrf-hENhuASy"}],"metrics":[{"format":"cvssV3_1","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-35","lang":"en","description":"Path Traversal: '.../...//'","type":"cwe"}]}],"providerMetadata":{"shortName":"cisco","orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateUpdated":"2026-05-06T16:16:05.322Z"},"exploits":[{"lang":"en","value":"The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."}],"source":{"advisory":"cisco-sa-unity-rce-ssrf-hENhuASy","discovery":"EXTERNAL","defects":["CSCwq36774"]}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-06T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-20034"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-07T03:55:48.652Z"}}]}}}