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Vulnerabilities

Vulnerability · CVE-2022-3236

Sophos Firewall Code Injection Vulnerability

Published Sep 16, 2022 · catalog updated Jun 16, 2026 · Sophos Firewall

Patch now

CVE-2022-3236 is in the CISA known-exploited catalog, due Oct 14, 2022. Confirm Sophos Firewall against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Critical9.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
98.88%
Remediation
Remediation guidance
Affected products
cpe sophos/firewall · vendor Sophos Firewall

A code injection vulnerability in the User Portal and Webadmin allows a remote attacker to execute code in Sophos Firewall version v19.0 MR1 and older.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe sophos/firewallversion unspecified
  • vendor Sophos Firewallversion unspecified

How to fix CVE-2022-3236

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2022-3236 is in the CISA known-exploited catalog, due Oct 14, 2022. Confirm Sophos Firewall against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply updates per vendor instructions.

What should an analyst verify?

CWE-94: Code Injection. EPSS 98.88%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 23, 2022 · Catalog

    Detected

    A code injection vulnerability in the User Portal and Webadmin allows a remote attacker to execute code in Sophos Firewall version v19.0 MR1 and older.

  2. Sep 23, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Oct 14, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    A code injection vulnerability in the User Portal and Webadmin allows a remote attacker to execute code in Sophos Firewall version v19.0 MR1 and older.

Sources

  • CISA KEVConfirmed exploitationCVE-2022-3236

    A code injection vulnerability in the User Portal and Webadmin of Sophos Firewall allows for remote code execution.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2022-3236

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2022-3236

    30-day exploitation probability 98.9%

    first.org
  • NIST NVDVulnerability recordCVE-2022-3236

    A code injection vulnerability in the User Portal and Webadmin allows a remote attacker to execute code in Sophos Firewall version v19.0 MR1 and older.

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2022-3236

    A code injection vulnerability in the User Portal and Webadmin of Sophos Firewall allows for remote code execution.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.