Pre-auth Cmd Injection in Sophos Web Appliance <4.3.10.4 warn-proceed
CVE-2023-1671 Published on April 4, 2023
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.
Known Exploited Vulnerability
This Sophos Web Appliance Command Injection Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Sophos Web Appliance contains a command injection vulnerability in the warn-proceed handler that allows for remote code execution.
The following remediation steps are recommended / required by December 7, 2023: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Vulnerability Analysis
CVE-2023-1671 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors in an automatable fashion. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
What is a Command Injection Vulnerability?
The software constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.
CVE-2023-1671 has been classified to as a Command Injection vulnerability or weakness.
Products Associated with CVE-2023-1671
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Affected Versions
Sophos Web Appliance:- Version unspecified and below 4.3.10.4 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.