UpHeron
All vulnerabilities

Servers and applications

CVE-2023-24021

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.

Severity
High 7.5
Published
20 Jan 2023
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
2.9.7
Sources
NVD

Affected software

SoftwareAffected versions
ModSecurityServers and applications · cpe:a:trustwave:modsecurity
  • Every version before 2.9.7

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-24021
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-24021