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Cisco Unified CM Flaw Enables Remote Root Access

Original img attribution: https://thecyberexpress.com/wp-content/uploads/CVE-2025-20309.webp
ImgSrc: thecyberexpress

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References :
  • MeatMutts: Cisco Urges Immediate Action After Discovering Backdoor in Unified Communications Manager
  • cybersecuritynews.com: Unified Communications Manager systems could allow remote attackers to gain root-level access. The vulnerability CVE-2025-20309 with a maximum CVSS 10.0, stems from hardcoded SSH root credentials that cannot be modified or removed:
  • hackread.com: Cisco Issues Emergency Fix for Critical Root Credential Flaw in Unified CM
  • Rescana: Critical Cisco Unified CM Vulnerability: Root Access via Static Credentials – Technical Analysis & Mitigation Strategies
Classification:
  • HashTags: #Cisco #Vulnerability #UnifiedCM
  • Company: Cisco
  • Target: Cisco Unified CM
  • Product: Unified CM
  • Feature: Hardcoded Credentials
  • Malware: CVE-2025-20309
  • Type: Vulnerability
  • Severity: Disaster