CVE-2022-0331

Name: CVE-2022-0331
Creator: NVD / NIST
Published: 2022-03-29T01:15:07.097+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 1.45%

Last modified Jun 17, 2026

CVE-2022-0331 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. An information disclosure vulnerability in Webadmin allows an unauthenticated remote attacker to read the device serial number in Sophos Firewall version v18.5 MR2 and older.. EPSS estimates a 1.45% chance of exploitation in the next 30 days.

Description

An information disclosure vulnerability in Webadmin allows an unauthenticated remote attacker to read the device serial number in Sophos Firewall version v18.5 MR2 and older.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

1.45%

70.0th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Sophos	Sfos	<= 18.5.2

References

https://www.sophos.com/en-us/security-advisories/sophos-sa-20220328-sfos-18-5-3Vendor Advisory
https://www.sophos.com/en-us/security-advisories/sophos-sa-20220328-sfos-18-5-3Vendor Advisory

Timeline

Published: Mar 29, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-0331?

An information disclosure vulnerability in Webadmin allows an unauthenticated remote attacker to read the device serial number in Sophos Firewall version v18.5 MR2 and older.

How severe is CVE-2022-0331?

CVE-2022-0331 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.45% probability of exploitation in the next 30 days.

How do I fix CVE-2022-0331?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-0331?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST