CVE catalog

CVE-2024-1019

modsecurity: CVE-2024-1019

[CVE catalog]

Severity
High · CVSS 8.6CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
Published
Source
[NVD] · [CVE record]
EPSS
0.69% · Oct 25, 2026

ModSecurity / libModSecurity 3.0.0 to 3.0.11 is affected by a WAF bypass for path-based payloads submitted via specially crafted request URLs. ModSecurity v3 decodes percent-encoded characters present in request URLs before it separates the URL path component from the optional query string component. This results in an impedance mismatch versus RFC compliant back-end applications. The vulnerability hides an attack payload in the path component of the URL from WAF rules inspecting it. A back-end may be vulnerable if it uses the path component of request URLs to construct queries. Integrators and users are advised to upgrade to 3.0.12. The ModSecurity v2 release line is not affected by this vulnerability.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
Debianmodsecuritysid3.0.16-1fixed
Debianmodsecurityforky3.0.16-1fixed
Debianmodsecuritytrixie3.0.14-1+deb13u1fixed
Debianmodsecuritybookworm3.0.9-1+deb12u2vulnerable

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Debianmodsecuritysourcesid3.0.12-1not yet assignedNot reportedNot reported
Debianmodsecuritysourceforky3.0.12-1not yet assignedNot reportedNot reported
Debianmodsecuritysourcetrixie3.0.12-1not yet assignedNot reportedNot reported
Debianmodsecuritysourcebookworm(unfixed)not yet assignedNot reportedNot reported

Notes

[bookworm] modsecurity: Minor issue

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

References