ClosedPatched

Sophos Web Appliance: Command Injection (CVE-2023-1671)

Sophos Web Appliance

Sophos Web Appliance contains a command injection vulnerability in the warn-proceed handler that allows for remote code execution. Added to CISA KEV on 2023-11-16.

Why this severity: CVSS 9.8 (NVD), actively exploited (CISA KEV)

Started: Nov 16, 2023
Closed: Nov 16, 2023
CVE: CVE-2023-1671

Follow this incident

Updated Nov 16, 2023

Affected

See vendor advisory / CISA notes (versions not always listed in KEV feed)

Fixed in

See vendor advisory linked in sources

Timeline1

Nov 16, 2023
CISA added CVE-2023-1671 to the KEV catalog (due 2023-12-07).

Advisories3

Notes & caveats

Derived from CISA KEV JSON feed catalogVersion 2026.10.21. Exact affected/fixed version strings are not always in the KEV record — verify against the vendor advisory URL. startedAt uses dateAdded (exploitation may have begun earlier).

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