# CVE-2023-1671: Sophos Web Appliance Command Injection Vulnerability

Source: https://junglewise.ai/threats/cve-2023-1671-sophos-web-appliance-command-injection-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2023-11-16. Updated: 2026-05-09  
License: CC BY 4.0 with a link back

CVE-2023-1671 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2023-11-16

A pre-authentication command injection vulnerability exists in the warn-proceed handler of Sophos Web Appliance. An attacker can exploit this to execute arbitrary code on the appliance without prior authentication.

Technologies: [Sophos Web Appliance](https://junglewise.ai/threats/technologies/web-appliance). Vendors: [Sophos](https://junglewise.ai/threats/vendors/sophos).

## Quick answers

**Is CVE-2023-1671 exploited in the wild?** Yes. CVE-2023-1671 is known to be exploited in the wild, first recorded on 16 November 2023. Treat it as urgent.

**How severe is CVE-2023-1671?** Critical severity, with a CVSS score of 9.8, published 16 November 2023.

**Which products and versions are affected?** Sophos Web Appliance < 4.3.10.4.

**Is there a fix for CVE-2023-1671?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2023-1671 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2023-1671?** Check whether you run Sophos Web Appliance. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Sophos Web Appliance < 4.3.10.4

## Timeline

- 2023-04-04: disclosed: NVD Published Date and Vendor Advisory date
- 2023-04-04: advisory: Sophos security advisory SA-20230404-swa-rce published
- 2023-04-26: other: Public exploit released on Packet Storm Security
- 2023-11-16: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2023-11-16: exploited: Confirmed as exploited in the wild by CISA

## Related threats

- [Sophos Web Appliance command injection in MgrDiagnosticTools.php](https://junglewise.ai/threats/cve-2016-9554-sophos-web-appliance-command-injection-in-mgrdiagnostictools-php)
- [Sophos Web Appliance command injection in MgrReport.php](https://junglewise.ai/threats/cve-2016-9553-sophos-web-appliance-command-injection-in-mgrreport-php)