CVE-2022-20729

Authenticated XML injection via CLI parser

Published May 3, 2022 · Updated Nov 6, 2024

XML injection in Cisco Firepower Threat Defense Software CLI before 6.4.0.15 allows local authenticated users to alter parsing via crafted commands. The command parser accepts insufficiently validated input and processes injected XML, producing unexpected command handling and output. Exploitation requires authenticated local CLI access; demonstrated impact is limited to command-processing effects and unexpected output.

CVSS severity4.4
Medium
EPSS probability0.26%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

XML injection in Cisco Firepower Threat Defense Software CLI before 6.4.0.15 allows local authenticated users to alter parsing via crafted commands. The command parser accepts insufficiently validated input and processes injected XML, producing unexpected command handling and output. Exploitation requires authenticated local CLI access; demonstrated impact is limited to command-processing effects and unexpected output.

The record

CVE
CVE-2022-20729
Published
May 3, 2022
Updated
Nov 6, 2024
Vendor
ClamAV
Product
Cisco Firepower Threat Defense Software
Classifications
CWE-91
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. May 3, 2022CVE publishedPublication date reported by the CVE source.
  2. Nov 6, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=n/a

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

ClamAV · Cisco Firepower Threat Defense Softwareversion=n/a

Published CVSS scores

4.4Cisco Systems, Inc.CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-91XML Injection (aka Blind XPath Injection)

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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