CVE-2023-24021

Advisory lineage Upstream: 0 Downstream: 8
Modified
Published: 20 Jan 2023, 00:00
Last modified:02 Apr 2025, 16:18

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
v3.1 (cve.org)
EPSS Score
0.14% LOW
0% probability +0.04%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

20 Jan 2023, 00:00
Published
Vulnerability first disclosed
02 Apr 2025, 16:18
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

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

EPSS Trends

Current EPSS score: 0.14%• Percentile: 35%

Techniques & Countermeasures

  • CWE-170•Improper Null Termination

    The product does not terminate or incorrectly terminates a string or array with a null character or equivalent terminator.

Affected Systems

  • debian•debian_linux

    10.0

  • trustwave•modsecurity

    < 2.9.7

References (7)