CVE-2023-1671

CriticalActively exploited (CISA KEV)

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.

SeverityCritical
CVSS9.8
Exploit probability—
ProductSophos Web Appliance
PublishedApr 4, 2023
First seenApr 4, 2023
Added to KEVNov 16, 2023

How to fix

CISA required action

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

CISA due date: Dec 7, 2023
Update
  • sophos web_appliance4.3.10.4 or later

Affected products

ProductAffected versionsFixed in
sophos web_appliancev < 4.3.10.44.3.10.4

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

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