{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-08-19T11:30:37.845","vulnerabilities":[{"cve":{"id":"CVE-2026-20230","sourceIdentifier":"psirt@cisco.com","published":"2026-06-03T18:16:20.160","lastModified":"2026-07-22T19:10:00.120","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"A vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an unauthenticated, remote attacker to conduct server-side request forgery (SSRF) attacks through an affected device.\r\n\r\nThis vulnerability is due to improper input validation for specific HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to write files to the underlying operating system that could be used later to elevate to root.\r\nNote: Cisco has assigned this security advisory a Security Impact Rating (SIR) of Critical rather than High as the score indicates. The reason is that exploitation of this vulnerability could result in an attacker elevating privileges to root.\r\nNote: To exploit this vulnerability, the WebDialer service must be enabled. WebDialer is disabled by default."},{"lang":"es","value":"Una vulnerabilidad en Cisco Unified Communications Manager (Unified CM) y Cisco Unified Communications Manager Session Management Edition (Unified CM SME) podría permitir a un atacante remoto no autenticado realizar ataques de falsificación de petición del lado del servidor (SSRF) a través de un dispositivo afectado.\nEsta vulnerabilidad se debe a una validación de entrada incorrecta para peticiones HTTP específicas. Un atacante podría explotar esta vulnerabilidad enviando una petición HTTP manipulada a un dispositivo afectado. Un exploit exitoso podría permitir al atacante escribir archivos en el sistema operativo subyacente que podrían usarse más tarde para elevar a root.\nNota: Cisco ha asignado a este aviso de seguridad una Calificación de Impacto de Seguridad (SIR) de Crítica en lugar de Alta, como indica la puntuación. La razón es que la explotación de esta vulnerabilidad podría resultar en que un atacante eleve privilegios a root.\nNota: Para explotar esta vulnerabilidad, el servicio WebDialer debe estar habilitado. WebDialer está deshabilitado por defecto."}],"affected":[{"source":"psirt@cisco.com","affectedData":[{"vendor":"Cisco","product":"Cisco Unified Communications Manager","defaultStatus":"unknown","versions":[{"version":"14","status":"affected"},{"version":"14SU1","status":"affected"},{"version":"14SU2","status":"affected"},{"version":"14SU3","status":"affected"},{"version":"15","status":"affected"},{"version":"15SU1","status":"affected"},{"version":"14SU4","status":"affected"},{"version":"14SU4a","status":"affected"},{"version":"15SU1a","status":"affected"},{"version":"15SU2","status":"affected"},{"version":"15.0.1.13010-1","status":"affected"},{"version":"15.0.1.13011-1","status":"affected"},{"version":"15.0.1.13012-1","status":"affected"},{"version":"15.0.1.13013-1","status":"affected"},{"version":"15.0.1.13014-1","status":"affected"},{"version":"15.0.1.13015-1","status":"affected"},{"version":"15.0.1.13016-1","status":"affected"},{"version":"15.0.1.13017-1","status":"affected"},{"version":"15SU3a","status":"affected"},{"version":"14SU5","status":"affected"},{"version":"15SU4","status":"affected"},{"version":"15SU4a","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"psirt@cisco.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N","baseScore":8.6,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":4.0}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-06-03T00:00:00+00:00","id":"CVE-2026-20230","options":[{"exploitation":"active"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"cisaExploitAdd":"2026-06-25","cisaActionDue":"2026-06-28","cisaRequiredAction":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.","cisaVulnerabilityName":"Cisco Unified Communications Manager Server-Side Request Forgery (SSRF) Vulnerability","weaknesses":[{"source":"psirt@cisco.com","type":"Secondary","description":[{"lang":"en","value":"CWE-918"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:-:*:*:*","versionStartIncluding":"14.0","versionEndExcluding":"14su6","matchCriteriaId":"9E708402-3D51-4165-8A97-2B3E68116553"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:session_management:*:*:*","versionStartIncluding":"14.0","versionEndExcluding":"14su6","matchCriteriaId":"321D5CC9-ECFC-42FD-AAB4-465E3BC399DA"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:-:*:*:*","versionStartIncluding":"15.0","versionEndIncluding":"15su4a","matchCriteriaId":"EFBE275E-8043-4F8B-ABE8-48774CF11648"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:session_management:*:*:*","versionStartIncluding":"15.0","versionEndIncluding":"15su4a","matchCriteriaId":"06300542-9590-4FE0-8054-7BD15B2CB3BA"}]}]}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-ssrf-cXPnHcW","source":"psirt@cisco.com","tags":["Vendor Advisory"]},{"url":"https://denizhalil.com/2026/06/12/cve-2026-20230-cisco-unified-cm-ssrf/","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","tags":["Exploit","Third Party Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20230","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","tags":["US Government Resource"]}]}}]}