Critical9.8Sophos Exploited CISA KEV
Web Appliance: pre-auth command injection vulnerability in the warn-proceed handler of Sophos Web Appliance older than version 4.3…
CVE-2023-1671 Published Apr 4, 2023Updated by vendor Jun 17, 2026
CVE-2023-1671
Affected products & platforms
SophosUnclassified
Summary
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.
CISA Known Exploited Vulnerability
- Listed:
- Nov 16, 2023 · federal remediation due Dec 7, 2023
- Required action:
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- Ransomware use:
- Unknown
KEV is a prioritization signal from CISA — remediation detail still comes from the vendor advisory.
Mitigation
Mitigation steps weren't captured by the parser for this advisory — this is a parsing gap, not a statement that no fix exists. Read the vendor advisory below for the authoritative guidance.
Official advisory · medium-confidence parse· fetched 3 hours ago·verify at source
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