CVE-2025-20309 - Vulnerability Details

Frequency

occurrences

First Seen

July 2, 2026

Last Seen

July 2, 2026

CVE-2025-20309 is a vulnerability tracked across 1 threat cluster and 1 intelligence report mention on ThreatCluster. First observed July 2, 2026; most recent activity July 2, 2026.

Related Threat Clusters

Cisco Confirms Active Exploitation of Unified CM Vulnerability CVE-2026-20230
Cisco has confirmed that attackers are exploiting a vulnerability in its Unified Communications Manager (Unified CM), tracked as CVE-2026-20230, which was patched on June 3, 2026. This vulnerability allows for…

2 articles · Updated July 2, 2026

Recent Intelligence Reports

Cisco finally confirms attackers exploiting Unified CM flaw — Bleepingcomputer · July 2, 2026

Related Entities

Zero-day Exploit Cisco CVE-2024-20253 CVE-2026-20045 CVE-2026-20230 Cwe-918 - Server-Side Request Forgery (ssrf) T1190 - Exploit Public-Facing Application Cisco Unified Communications Manager

CVE-2025-20309 - Vulnerability Details

Entity Not Found

Related Threat Clusters

Recent Intelligence Reports

Related Entities

CVSS v3.1 Breakdown