CVE-2023-24021 Affecting modsecurity-apache package, versions *


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.18% (56th percentile)

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  • Snyk IDSNYK-UBUNTU2204-MODSECURITYAPACHE-3250017
  • published6 Mar 2025
  • disclosed20 Jan 2023

Introduced: 20 Jan 2023

CVE-2023-24021  (opens in a new tab)

How to fix?

There is no fixed version for Ubuntu:22.04 modsecurity-apache.

NVD Description

Note: Versions mentioned in the description apply only to the upstream modsecurity-apache package and not the modsecurity-apache package as distributed by Ubuntu. See How to fix? for Ubuntu:22.04 relevant fixed versions and status.

Incorrect handling of '\0' bytes in file uploads in ModSecurity before 2.9.7 may allow for Web Application Firewall bypasses and buffer over-reads on the Web Application Firewall when executing rules that read the FILES_TMP_CONTENT collection.

CVSS Base Scores

version 3.1