CVE-2023-1671

At a glance

Severity: CRITICAL 9.8
Exploitation: Known exploited (CISA KEV) · added 2023-11-16
Exploited per ENISA since 2023-11-16
EPSS: EPSS 100.00 % · percentile 100 (2026-10-27)
State: PUBLISHED
Published: 2023-04-04
Updated: 2025-10-21
Assigner: Sophos
NVD status: Analyzed

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.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	CRITICAL 9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	Sophos
CVSS 3.1	CRITICAL 9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	NVD · security-alert@sophos.com (Secondary)
CVSS 3.1	CRITICAL 9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	NVD · nvd@nist.gov (Primary)

Weaknesses (CWE)

CWE-77

European references

ENISA EUVD · EUVD-2023-23899
GCVE · GCVE-0-2023-1671

CERT-FR advisories

CERTFR-2023-AVI-0283 — Multiples vulnérabilités dans Sophos Web Appliance · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:a:sophos:web_appliance:*:*:*:*:*:*:*:* < 4.3.10.4

Affected products

Product	Versions
Sophos · Sophos Web Appliance	affected unspecified < 4.3.10.4

References

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
CISA Known Exploited Vulnerabilities	CC0 1.0
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD