CVE-2023-1671Sophos Web Appliance Command Injection Vulnerability

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.

9.8 CRITICALEPSS 99.99%⚡ Known Exploited (CISA KEV)NVD: Analyzed

Last updated: 2026-06-17 05:28 UTC

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
9.8	CRITICAL	3.1Sophos (CNA)	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA required action

⚡ Known exploited · remediation due Dec 7, 2023

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

Details

CVE ID: CVE-2023-1671
Status: Analyzed
Assigner (CNA): Sophos
Published: Apr 4, 2023
Last modified: 2026-06-17 05:28 UTC
Weaknesses: CWE-77

Sources

NVD
CVE.org
CISA KEV
FIRST EPSS

Refreshed hourly from the sources above. Last fetched 2026-11-08 14:00 UTC.