XML Parsing Flaw in Cisco BroadWorks Allowing Unauthorized Information Disclosure
CVE-2026-20320

7.5HIGH

Key Information:

Vendor

Cisco
Status
Cisco Broadworks
Vendor
CVE Published:
19 August 2026

Badges

👾 Exploit Exists

What is CVE-2026-20320?

A security issue in Cisco BroadWorks' Open Client Interface (OCI) XML Parser allows unauthenticated remote attackers to access sensitive configuration details. This vulnerability arises from improper parsing of XML entries, which permits external entity resolution by default. Attackers can exploit it by crafting malicious XML messages directed at the OCI-P service, potentially revealing sensitive filesystem data with the privileges of the BroadWorks user.

Affected Version(s)

Cisco BroadWorks

References

https://sec.cloudapps.cisco.com/security/center/content/C...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.