Critical (9.8) in Sophos Web Appliance. In CISA KEV since 2023-11-16. EPSS 100% chance of exploitation in the next 30 days.
A pre-auth command injection vulnerability in the warn-proceed handler of Sophos Web Appliance older than version 4.3.10.4 allows execution of arbitrary code.
Severity
CVSS 3.1
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
100% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)