🛡️ CVE-2025-20165
🟠 CVSS 7.5 — High ✅ No Known Exploit CWE-789 NVD
7.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

A vulnerability in the SIP processing subsystem of Cisco BroadWorks could allow an unauthenticated, remote attacker to halt the processing of incoming SIP requests, resulting in a denial of service (DoS) condition. This vulnerability is due to improper memory handling for certain SIP requests. An attacker could exploit this vulnerability by sending a high number of SIP requests to an affected system. A successful exploit could allow the attacker to exhaust the memory that was allocated to the Cisco BroadWorks Network Servers that handle SIP traffic. If no memory is available, the Network Servers can no longer process incoming requests, resulting in a DoS condition that requires manual intervention to recover.

Details

Severity HIGH
CVSS Score 7.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-789
Public Exploit ✅ No
Source NVD
Published 2025-01-22
Updated 2026-06-02
Modified 2025-08-06
Fix URL N/A

Affected Packages

Software From version Fixed in
broadworks-network-server 2024.11

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