CVE-2022-1040: Sophos Firewall Authentication Bypass Vulnerability

CVE-2022-1040 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2022-03-31

An authentication bypass vulnerability in the User Portal and Webadmin interfaces of Sophos Firewall allows a remote unauthenticated attacker to execute arbitrary code. The vulnerability affects version v18.5 MR3 and all prior versions.

Vendors: Sophos.

Quick answers

Is CVE-2022-1040 exploited in the wild?
Yes. CVE-2022-1040 is known to be exploited in the wild, first recorded on 31 March 2022. Treat it as urgent.
How severe is CVE-2022-1040?
Critical severity, with a CVSS score of 9.8, published 31 March 2022.
Which products and versions are affected?
Sophos Firewall (SFOS) v18.5 MR3 and older.
Is there a fix for CVE-2022-1040?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2022-1040 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2022-1040?
Check whether you run Sophos Firewall. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Sophos Firewall (SFOS) v18.5 MR3 and older

Timeline

  • 2022-03-25: disclosed: Initial vendor advisory published by Sophos
  • 2022-03-31: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2022-03-31: advisory: NVD publication date

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.