CVE-2023-1671

9.8 CRITICAL CISA KEV - Actively Exploited

Published: April 04, 2023 Modified: October 27, 2025

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://packetstormsecurity.com/files/172016/Sophos-Web-Appliance-4.3.10.4-Command-Injection.html

Source: security-alert@sophos.com

Exploit Third Party Advisory VDB Entry

https://www.sophos.com/en-us/security-advisories/sophos-sa-20230404-swa-rce

Source: security-alert@sophos.com

Vendor Advisory

http://packetstormsecurity.com/files/172016/Sophos-Web-Appliance-4.3.10.4-Command-Injection.html

Source: af854a3a-2127-422b-91ae-364da2661108

Exploit Third Party Advisory VDB Entry

https://www.sophos.com/en-us/security-advisories/sophos-sa-20230404-swa-rce

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-1671

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

US Government Resource

5 reference(s) from NVD

Quick Stats

CVSS v3 Score

9.8 / 10.0

EPSS (Exploit Probability)

94.3%

100th percentile

Exploitation Status

Actively Exploited

Remediation due: 2023-12-07

Weaknesses (CWE)

CWE-77 CWE-77

Affected Vendors

sophos

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