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CVE-2022-3236

Sophos Firewall Code Injection

9.8 CRITICALActively exploited (CISA KEV)EPSS 98.9%
  1. Published23 Sept 2022
  2. Added to CISA KEV23 Sept 2022
  3. Remediation due14 Oct 2022
Actively exploited (CISA KEV)

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

Added to KEV: 23 Sept 2022Federal remediation due: 14 Oct 2022

Description

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Sophos Firewall≤ 19.0.1

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2022-3236 being actively exploited?

Yes. CVE-2022-3236 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 23 Sept 2022.

How severe is CVE-2022-3236?

CVE-2022-3236 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 98.9% probability of exploitation.

Which products are affected by CVE-2022-3236?

Affected products include Sophos Firewall.

How do I fix CVE-2022-3236?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2022-3236 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.