{
  "id": "cve-2026-20045",
  "cveID": "CVE-2026-20045",
  "vendor": "Cisco",
  "product": "Unified Communications Manager",
  "vulnerabilityName": "Cisco Unified Communications Products Code Injection Vulnerability",
  "shortDescription": "Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P), Cisco Unity Connection, and Cisco Webex Calling Dedicated Instance contain a code injection vulnerability that could allow the attacker to obtain user-level access to the underlying operating system and then elevate privileges to root.",
  "requiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
  "dateAdded": "2026-01-21",
  "dueDate": "2026-02-11",
  "knownRansomware": false,
  "cwes": [
    "CWE-94"
  ],
  "notes": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-voice-rce-mORhqY4b ; https://nvd.nist.gov/vuln/detail/CVE-2026-20045",
  "sources": [
    {
      "label": "NVD",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-20045"
    },
    {
      "label": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog"
    },
    {
      "label": "sec.cloudapps.cisco.com",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-voice-rce-mORhqY4b"
    },
    {
      "label": "nvd.nist.gov",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-20045"
    }
  ],
  "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"
  },
  "epss": {
    "score": 0.04478,
    "percentile": 0.90871
  },
  "timeline": [
    {
      "date": "2026-01-21",
      "event": "Added to the CISA KEV catalog"
    },
    {
      "date": "2026-02-11",
      "event": "CISA remediation due date (BOD 22-01)"
    }
  ],
  "status": "past due"
}