{"cvss":8.6,"datePublished":"2026-06-22T00:00:00Z","dateUpdated":"2026-06-22T00:00:00Z","description":"Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) contain a server-side request forgery (SSRF) Vulnerability that could allow an unauthenticated, remote attacker to write files to the underlying operating system that could be used later to elevate to root.","dueDate":"2026-06-28T00:00:00Z","id":"CVE-2026-20230","kev_catalogs":["vulncheck"],"knownRansomwareCampaignUse":"Unknown","product":"Unified Communications Manager","requiredAction":"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.","severity":"HIGH","source":"vulncheck_kev","title":"Cisco Unified Communications Manager Server-Side Request Forgery (SSRF) Vulnerability","vendor":"Cisco"}