CVE-2023-1671

Published: Apr 4, 2023Updated: Oct 27, 2025 Sources: CVE List NVD BDUCWE-77

9.8CRITICAL

NVD MITRE

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-77

Affected Products

Sophos Ltd.

commercial·GBaka Sophos, sfos, sophos web appliance (swa), sophos firewall

Sophos Web Appliance (SWA)

Security Products

Exploitability

CISA Known Exploited Vulnerability

Added to KEV:Nov 16, 2023

Remediation due:Dec 7, 2023

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

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details

Official Patch Available

Is your org exposed to CVE-2023-1671?Discuss checks for your systems with a specialist. Scope agreed before testing. Check my exposure

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Execution

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References

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

sophos.com

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

packetstormsecurity.com

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

cisa.gov

and 4 more references View all →

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Plain-language analysis

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Exploit details & PoC links

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Nuclei scanner templates

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