OWASP ModSecurity Core Rule Set 3.1.x before 3.1.2, 3.2.x before 3.2.1, and 3.3.x before…
Priority MEDIUM 47Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
OWASP ModSecurity Core Rule Set 3.1.x before 3.1.2, 3.2.x before 3.2.1, and 3.3.x before 3.3.2 is affected by a Request Body Bypass via a trailing pathname.
Why it matters now
EPSS 0.02733 86th percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:owasp:owasp_modsecurity_core_rule_set:*:*:*:*:*:*:*:* | 3.1.0 to before 3.1.2; 3.2.0 to before 3.2.1; 3.3.0 to before 3.3.2 | Vulnerable | owasp-modsecurity |
| cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* | 36 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* | 37 | Vulnerable | Fedoraproject |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | Debian |
- cpe:2.3:a:owasp:owasp_modsecurity_core_rule_set:*:*:*:*:*:*:*:* Versions 3.1.0 to before 3.1.2; 3.2.0 to before 3.2.1; 3.3.0 to before 3.3.2 Vulnerable ·owasp-modsecurity
- cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* Versions 36 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* Versions 37 Vulnerable ·Fedoraproject
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2021-35368
- 2026-10-03 Alias added: GHSA-2xw7-44j9-24rv
References
Exploit 3
- https://portswigger.net/daily-swig/lessons-learned-how-a-severe-vulnerability-in-the-owasp-modsecurity-core-rule-set-sparked-much-needed-change
- https://portswigger.net/daily-swig/waf-bypass-severe-owasp-modsecurity-core-rule-set-bug-was-present-for-several-years
- https://coreruleset.org/20210630/cve-2021-35368-crs-request-body-bypass/
Sources
- CVE-2021-35368 · CVE Program
- CVE-2021-35368 · NVD
- FIRST EPSS
- GHSA-2xw7-44j9-24rv · GitHub Advisory Database · CC BY 4.0
- CVE-2021-35368 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences