Vulnerability Monitor

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CVE-2023-42117

Exim Improper Neutralization of Special Elements Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Exim. Authentication is not required to exploit this vulnerability. The specific flaw exists within the smtp service, which listens on TCP port 25 by default. The issue results from the lack of proper validation of user-supplied data, which can result in a memory corruption condition. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-17554.

Published

2024-05-03T03:15:50.463

Last Modified

2025-11-03T22:16:26.683

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

Weaknesses
  • Type: Secondary
    CWE-138
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application exim exim < 4.96.2 Yes
References