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
- v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected Systems
- debian•modsecurity-apache
< 2.9.3-3+deb11u2 | < 2.9.7-1 | < 2.9.7-1 | < 2.9.7-1