CVE-2022-39957 is a response body bypass vulnerability affecting the OWASP ModSecurity Core Rule Set (CRS) versions 3.0.x, 3.1.x, 3.2.1, and 3.3.2. An attacker can use an HTTP Accept header with a specific "charset" parameter to bypass the Web Application Firewall (WAF) and access restricted resources that would normally be detected. With a CVSS score of 7.5 (HIGH), this vulnerability has a network attack vector and low attack complexity, potentially leading to high confidentiality impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 3.0.0, < 3.2.2CPE matchmatch criteria | cpe:2.3:a:owasp:owasp_modsecurity_core_rule_set:*:*:*:*:*:*:*:* | ||
>= 3.3.0, < 3.3.3CPE matchmatch criteria | cpe:2.3:a:owasp:owasp_modsecurity_core_rule_set:*:*:*:*:*:*:*:* | ||
35CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* | ||
36CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* | ||
37CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
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