CVEvulnerability

CVE-2023-1671

9.8 CRITICAL Known exploited Published 2023-04-04 Modified 2026-06-17 Official page ↗

CISA Known Exploited Vulnerability

Sophos Web Appliance Command Injection Vulnerability — Sophos Web Appliance

Sophos Web Appliance contains a command injection vulnerability in the warn-proceed handler that allows for remote code execution.

Added to KEV: 2023-11-16
Remediation due: 2023-12-07
Ransomware use: Unknown
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Notes: https://www.sophos.com/en-us/security-advisories/sophos-sa-20230404-swa-rce; https://nvd.nist.gov/vuln/detail/CVE-2023-1671

Status: Analyzed
Published: 2023-04-04
Last modified: 2026-06-17
Assigner: [email protected]
CVSS 3.1 ([email protected]): 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 ([email protected]): 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses: CWE-77

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.

Affected configurations

• sophos web appliance (< 4.3.10.4)

Weakness · CWE (1)

CWE-77 Improper Neutralization of Special Elements used in a Command weakness

References