Skip to main content
CVE-2026-20320VulnerabilityPublished Updated

Cisco BroadWorks Out-of-Band Blind XML External Entity Injection Vulnerability

Affects CiscoSource GCVE Database

0
Compare
Authoritative record:CVE-2026-20320· High 7.5

Exploited in the wild · KEV due 24 Nov 2026 : apply the vendor's fix or mitigations to Cisco now.

Data as of 12 Nov 2026, 18:22 UTC

CVSS 3.1 base score
7.5High
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (cisco)CVSS 3.17.5
KEV deadline
 US federal agencies must patch by this date; a sensible deadline for everyone else. Other KEV due dates
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploitation evidence

t = 0 is the CVE’s publication on cve.org

  1. Disclosed: evidence found.

    CVE published 19 Aug 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: evidence found.

    Listed in CISA KEV 83 days after disclosure

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

Timeline

  1. CVE ID reserved

    by Cisco Systems, Inc.

    , 315 days before disclosure

  2. CVE published

    on cve.org

    , t = 0

  3. In Threat Radar

    record ingested

    , 15 minutes after disclosure

  4. , 83 days after disclosure

  5. KEV remediation due

    US federal deadline

    , 97 days after disclosure

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CISA KEV (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 12 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
CiscoCisco BroadWorksAffected
  • =N/A
Fixed in–

Check the firmware or software version for Cisco in the device's admin interface against the vendor advisory.

AI-suggested

Until patches are applied, users should monitor Cisco advisories for updates.

Description

Cisco BroadWorks products are affected by an out-of-band blind XML External Entity (XXE) injection vulnerability. This issue impacts multiple components of the BroadWorks suite, including the Application Delivery Platform, Application Server, Profile Server, and Xtended Services Platform. The vulnerability exists in certain software releases of Cisco BroadWorks, regardless of device configuration. No specific affected versions or CVSS score are provided. No known exploits in the wild have been reported as of the publication date.

References

Community reviews

Loading reviews…