Related Threat Clusters

Cisco Issues Warning for Critical Zero-Day Vulnerability in Unified Communications
Cisco has disclosed a critical zero-day remote code execution vulnerability, CVE-2026-20045, affecting multiple Unified Communications products. This flaw allows unauthenticated attackers to execute arbitrary commands…

4 articles · Updated January 22, 2026
Cisco Unified CM Remote Code Execution Vulnerability (CVE-2026-20045)
A remote code execution vulnerability, identified as CVE-2026-20045, affects Cisco Unity Connection and Cisco Webex Calling Dedicated Instance. The issue arises from improper handling of input, allowing attackers to…

1 article · Updated January 28, 2026
Cisco Unity Connection Vulnerabilities Enable Code Execution and SSRF Attacks
Cisco has released security advisories addressing multiple high-severity vulnerabilities in its Unity Connection product. The most critical flaws allow authenticated attackers to inject and execute malicious code…

7 articles · Updated May 7, 2026

Recent Intelligence Reports

Cisco Unity Connection Multiple Vulnerabilities — Hkcert · May 8, 2026
Cisco: Code injection vulnerability in Unity Connection and other flaws — Heise.De · May 7, 2026
Cisco Unified CM Remote Code Execution Vulnerability (CVE-2026-20045) — Securityboulevard · January 28, 2026
Cisco Unified Communications Zero — Gbhackers · January 22, 2026