CVE-2022-20871Network attack vector

Authenticated root command execution via crafted HTTP packets

Published Nov 15, 2024 · Updated Nov 15, 2024

OS command injection in the Cisco Secure Web Appliance web interface allows remote authenticated users to execute arbitrary commands as root. The interface fails to validate user-supplied data in a crafted HTTP packet before invoking commands on the underlying operating system. At least read-only credentials are required, and the affected release trains are 12.5, 14.0, and 14.5.

CVSS severity6.3
Medium
EPSS probability1.92%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

OS command injection in the Cisco Secure Web Appliance web interface allows remote authenticated users to execute arbitrary commands as root. The interface fails to validate user-supplied data in a crafted HTTP packet before invoking commands on the underlying operating system. At least read-only credentials are required, and the affected release trains are 12.5, 14.0, and 14.5.

The record

CVE
CVE-2022-20871
Published
Nov 15, 2024
Updated
Nov 15, 2024
Vendor
ClamAV
Product
Cisco Secure Web Appliance
Classifications
CWE-78, T1059
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 15, 2024CVE publishedPublication date reported by the CVE source.
  2. Nov 15, 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=12.5.1-011
  2. Affected versionversion=12.5.2-007
  3. Affected versionversion=12.5.2-011
  4. Affected versionversion=12.5.3-002
  5. Affected versionversion=12.5.4-005
  6. Affected versionversion=12.5.4-011
  7. Affected versionversion=14.0.2-012
  8. Affected versionversion=14.1.0-032
  9. Affected versionversion=14.1.0-041
  10. Affected versionversion=14.1.0-047
  11. Affected versionversion=14.5.0-498

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

ClamAV · Cisco Secure Web Applianceversion=12.5.1-011; version=12.5.2-007; version=12.5.2-011; version=12.5.3-002; version=12.5.4-005; version=12.5.4-011; version=14.0.2-012; version=14.1.0-032; version=14.1.0-041; version=14.1.0-047; version=14.5.0-498

Published CVSS scores

6.3CiscoCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:X

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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
T1059Command and Scripting Interpreter

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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