CVE-2023-1671

Sophos Web Appliance

Published 4 Apr 2023 · updated 17 Jun 2026 · Analyzed

9.8 Critical · CVSS 3.1, NVD

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 16 Nov 2023, with a remediation deadline of 7 Dec 2023 for US federal agencies.

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

Description

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.

References

packetstormsecurity.com/files/172016/Sophos-Web-Appliance-4.3.10.4-Command-Injection.html · Exploit, Third Party Advisory, VDB Entry
www.sophos.com/en-us/security-advisories/sophos-sa-20230404-swa-rce · Vendor Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-1671 · US Government Resource