Sophos XG Firewall Buffer Overflow Vulnerability

Added to KEV
2025-02-06
Federal due date
2025-02-27
Vendor
Sophos
Product
XG Firewall
EPSS
99.3th percentile (score 0.826, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2020-15069

CISA short description

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

Required action

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

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.