Critical severity · published Nov 5, 2021
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
9.8
CVSS
2.7%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.7% · higher than 86% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
10.0 · source: NVD
FE
Fedora · Fedoraproject
36; 37 · source: NVD
OM
Owasp Modsecurity Core Rule Set · Owasp
3.1.0 before 3.1.2; 3.2.0 before 3.2.1; 3.3.0 before 3.3.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-35368
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-35368
Exploit
https://coreruleset.org/20210630/cve-2021-35368-crs-request-body-bypass/
Mailing List
https://lists.debian.org/debian-lts-announce/2023/01/msg00033.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6MS5GMNYHFFIBWLJW7N3XAD24SLF3PFZ/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IVYUJOKHDEXFTM2CZMEESJ6TZSPVNSSZ/
Vendor Advisory
https://owasp.org/www-project-modsecurity-core-rule-set/
Exploit
https://portswigger.net/daily-swig/lessons-learned-how-a-severe-vulnerability-in-the-owasp-modsecurity-core-rule-set-sparked-much-needed-change
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