CVE-2026-20045

Known Exploited Vulnerability Entry External Catalog

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Entry Details

CVE-2026-20045

Confirmed

Yes

2026-01-21 00:00 UTC

Timestamps

2026-01-21

2026-01-21

Scope

KEV entry: Cisco Unified Communications Products Code Injection Vulnerability | Affected: Cisco / Unified Communications Manager | Description: 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. | Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. | Due date: 2026-02-11 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-voice-rce-mORhqY4b ; https://nvd.nist.gov/vuln/detail/CVE-2026-20045

References
  • {'id': 'CVE-2026-20045', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2026-20045'}

846ab40d-7fe2-47ea-8240-b15a8c9f0e0a

405284c2-e461-4670-8979-7fd2c9755a60

2026-02-02 13:24 UTC

2026-02-06 07:53 UTC

Evidence (1)
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-94"
  ],
  "date_added": "2026-01-21",
  "due_date": "2026-02-11",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "Unified Communications Manager",
  "vendorProject": "Cisco",
  "vulnerabilityName": "Cisco Unified Communications Products Code Injection Vulnerability"
}
 -
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