CVE-2022-1040 Sophos Firewall Authentication Bypass

Exploited in the wild Critical 9.8 Published Updated

Remote attackers can bypass authentication in the User Portal and Webadmin to execute arbitrary code on Sophos Firewall devices.

Exploited in the wild
Since 31 Mar 2022
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2022-1040?

CVE-2022-1040 is a critical authentication bypass vulnerability in Sophos Firewall, published on 25 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An authentication bypass vulnerability in the User Portal and Webadmin allows a remote attacker to execute code in Sophos Firewall version v18.5 MR3 and older.

Which versions are affected by CVE-2022-1040?

It affects 1 product.

Products include Sophos Sfos.

How do I fix CVE-2022-1040?

No fix has been published for CVE-2022-1040 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 21 Apr 2022.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2022-1040 being exploited?

Yes. Attackers have exploited CVE-2022-1040 in the wild since at least 31 Mar 2022.

Public exploit code: 1 Exploit-DB entry, 1 Nuclei template and 7 proofs of concept on GitHub.

Sources

Also known as GHSA-9gcv-6rm7-vw3w.

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