Sophos XG Firewall Buffer Overflow Vulnerability

CVE-2020-15069

Action was due by: 2/27/2025

CISA Known Exploited Vulnerability

This vulnerability is part of CISA's Known Exploited Vulnerabilities (KEV) catalog, indicating active exploitation in the wild.

Overview

Sophos XG Firewall contains a buffer overflow vulnerability that allows for remote code execution via the "HTTP/S bookmark" feature.

Vendor

Sophos

Product

XG Firewall

Affected Versions

See vendor advisory

Technical Description

This vulnerability was identified in XG Firewall by Sophos. Sophos XG Firewall contains a buffer overflow vulnerability that allows for remote code execution via the "HTTP/S bookmark" feature.

Exploitability

Medium - Publicly disclosed

Impact

Complete system compromise possible

Additional Notes

https://community.sophos.com/b/security-blog/posts/advisory-buffer-overflow-vulnerability-in-user-portal ; https://nvd.nist.gov/vuln/detail/CVE-2020-15069

Required Action (CISA)

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Due Date: 2/27/2025

References

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15069

https://nvd.nist.gov/vuln/detail/CVE-2020-15069

https://www.cisa.gov/known-exploited-vulnerabilities-catalog