Home Cisco CVE-2025-20165
Back to Cisco

CVE-2025-20165

Cisco BroadWorks - SIP Processing Subsystem

Cisco CVSS 7.5 Updated March 16, 2026

Executive Risk Summary

"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, which can be exploited by sending a high number of SIP requests to an affected system."

Operational Audit Arsenal

Target Type Network Server
Target Asset Cisco BroadWorks Network Server
Standard Path Global Firmware

Manual Verification Required

This is a non-Windows asset (Cisco). Use the target asset details and official path provided above to verify your current version against the official vendor advisories listed below.

Patch Impact Forecast

Reboot Required Likely

High

Internal Work Notes

Denial of Service vulnerability in Cisco BroadWorks SIP Processing Subsystem, requiring manual intervention to recover. Apply security patch from Cisco Security Advisory: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-bw-sip-dos-mSySbrmt

Technical Intelligence & Operational Utilities • Delivered Weekly

Intelligence Sources

Related Cisco Threats

Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.