VulnerabilityModified
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.
CRITICAL 9.8EPSS 2.73%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.73%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.73% probability · 85th percentile
- CISA KEV
- Not listed
- Affected
- owasp/owasp modsecurity core rule set · fedoraproject/fedora · debian/debian linux
- Source
- cve@mitre.org
References
- https://coreruleset.org/20210630/cve-2021-35368-crs-request-body-bypass/Exploit, Release Notes, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2023/01/msg00033.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6MS5GMNYHFFIBWLJW7N3XAD24SLF3PFZ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IVYUJOKHDEXFTM2CZMEESJ6TZSPVNSSZ/
- https://owasp.org/www-project-modsecurity-core-rule-set/Vendor Advisory
- https://portswigger.net/daily-swig/lessons-learned-how-a-severe-vulnerability-in-the-owasp-modsecurity-core-rule-set-sparked-much-needed-changeExploit, Third Party Advisory
- https://portswigger.net/daily-swig/waf-bypass-severe-owasp-modsecurity-core-rule-set-bug-was-present-for-several-yearsExploit, Third Party Advisory
- https://security.gentoo.org/glsa/202305-25
- https://coreruleset.org/20210630/cve-2021-35368-crs-request-body-bypass/Exploit, Release Notes, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2023/01/msg00033.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6MS5GMNYHFFIBWLJW7N3XAD24SLF3PFZ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IVYUJOKHDEXFTM2CZMEESJ6TZSPVNSSZ/
- https://owasp.org/www-project-modsecurity-core-rule-set/Vendor Advisory
- https://portswigger.net/daily-swig/lessons-learned-how-a-severe-vulnerability-in-the-owasp-modsecurity-core-rule-set-sparked-much-needed-changeExploit, Third Party Advisory
- https://portswigger.net/daily-swig/waf-bypass-severe-owasp-modsecurity-core-rule-set-bug-was-present-for-several-yearsExploit, Third Party Advisory
- https://security.gentoo.org/glsa/202305-25
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.