SARA / Free Tools / KEV / CVE-2026-20320

CVE-2026-20320 — newly added to CISA KEV

A vulnerability in the Open Client Interface (OCI) XML Parser of Cisco BroadWorks could allow an unauthenticated, remote attacker to read sensitive configuration information on an affected system. This vulnerability exists because XML entries are improperly parsed due to external

CISA KEV — Actively Exploited

Cisco BroadWorks Improper Restriction of XML External Entity Reference Vulnerability

Vendor / Product
— / Cisco / BroadWorks
Added to KEV
2026-11-10
BOD 22-01 due
2026-11-24
Ransomware use
Unknown
CVSS / EPSS
7.5 HIGH · EPSS 0.98%

01What CISA says about this vulnerability

A vulnerability in the Open Client Interface (OCI) XML Parser of Cisco BroadWorks could allow an unauthenticated, remote attacker to read sensitive configuration information on an affected system. This vulnerability exists because XML entries are improperly parsed due to external entity resolution being allowed by default. An attacker could exploit this vulnerability by sending a crafted XML…

02Required action — verbatim from CISA

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

03Notes & references

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

VendorProductVersions
ciscobroadworks_application_delivery_platform< ri.2026.07
ciscobroadworks_application_server< 2026.0
ciscobroadworks_profile_server< 2026.07
ciscobroadworks_xtended_services_platform< 2026.07

06Detection

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

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