Vulnerability in Owasp Modsecurity Core Rule Set
CVE-2021-35368
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.027 (86.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000
Affected products
- Owasp Modsecurity Core Rule Set
- Debian Linux — versions 10.0
- Fedoraproject Fedora — versions 36, 37
References
- owasp.org/www-project-modsecurity-core-rule-set/ (Vendor Advisory)
- portswigger.net/daily-swig/lessons-learned-how-a-severe-vulnerability-in-the-ow… (Exploit, Third Party Advisory)
- portswigger.net/daily-swig/waf-bypass-severe-owasp-modsecurity-core-rule-set-bu… (Exploit, Third Party Advisory)
- coreruleset.org/20210630/cve-2021-35368-crs-request-body-bypass/ (Exploit, Release Notes, Vendor Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.debian.org/debian-lts-announce/2023/01/msg00033.html (mailing-list, Mailing List, Third Party Advisory)
- security.gentoo.org/glsa/202305-25 (vendor-advisory)
Frequently asked questions
- What is CVE-2021-35368?
- CVE-2021-35368 is a critical-severity vulnerability in Owasp Modsecurity Core Rule Set. CVSS score: 9.8/10. Published 2021-11-05.
- How severe is CVE-2021-35368?
- Critical severity. CVSS v3 base score is 9.8 out of 10.