DEBIAN-CVE-2023-24021

Advisory lineage Upstream: 1 Downstream: 1
Upstream
Downstream
Published: 20 Jan 2023, 19:15
Last modified:28 Apr 2026, 20:25

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

20 Jan 2023, 19:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:25
Last Modified
Vulnerability information updated

Description

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 Metrics

  • v3.1HIGHScore: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected Systems

  • debianmodsecurity-apache

    < 2.9.3-3+deb11u2 | < 2.9.7-1 | < 2.9.7-1 | < 2.9.7-1

References (1)