Vulnerability Details CVE-2021-33621
The cgi gem before 0.1.0.2, 0.2.x before 0.2.2, and 0.3.x before 0.3.5 for Ruby allows HTTP response splitting. This is relevant to applications that use untrusted user input either to generate an HTTP response or to create a CGI::Cookie object.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.024
EPSS Ranking 84.3%
CVSS Severity
CVSS v3 Score 8.8
References
- https://lists.debian.org/debian-lts-announce/2023/06/msg00012.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DQR7LWED6VAPD5ATYOBZIGJQPCUBRJBX/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/THVTYHHEOVLQFCFHWURZYO7PVUPBHRZD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YACE6ORF2QBXXBK2V2CM36D7TZMEJVAS/
- https://security.gentoo.org/glsa/202401-27
- https://security.netapp.com/advisory/ntap-20221228-0004/
- https://www.ruby-lang.org/en/news/2022/11/22/http-response-splitting-in-cgi-cve-2021-33621/
- https://lists.debian.org/debian-lts-announce/2023/06/msg00012.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DQR7LWED6VAPD5ATYOBZIGJQPCUBRJBX/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/THVTYHHEOVLQFCFHWURZYO7PVUPBHRZD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YACE6ORF2QBXXBK2V2CM36D7TZMEJVAS/
- https://security.gentoo.org/glsa/202401-27
- https://security.netapp.com/advisory/ntap-20221228-0004/
- https://www.ruby-lang.org/en/news/2022/11/22/http-response-splitting-in-cgi-cve-2021-33621/
Products affected by CVE-2021-33621
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cpe:2.3:a:ruby-lang:cgi:0.1.0
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cpe:2.3:a:ruby-lang:cgi:0.2.0
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cpe:2.3:a:ruby-lang:cgi:0.2.1
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cpe:2.3:a:ruby-lang:cgi:0.3.0
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cpe:2.3:a:ruby-lang:cgi:0.3.1
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cpe:2.3:a:ruby-lang:ruby:2.7.0
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cpe:2.3:a:ruby-lang:ruby:2.7.1
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cpe:2.3:a:ruby-lang:ruby:2.7.2
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cpe:2.3:a:ruby-lang:ruby:2.7.3
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cpe:2.3:a:ruby-lang:ruby:2.7.4
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cpe:2.3:a:ruby-lang:ruby:2.7.5
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cpe:2.3:a:ruby-lang:ruby:2.7.6
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cpe:2.3:a:ruby-lang:ruby:3.0.0
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cpe:2.3:a:ruby-lang:ruby:3.0.1
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cpe:2.3:a:ruby-lang:ruby:3.0.2
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cpe:2.3:a:ruby-lang:ruby:3.0.3
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cpe:2.3:a:ruby-lang:ruby:3.0.4
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cpe:2.3:a:ruby-lang:ruby:3.1.0
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cpe:2.3:a:ruby-lang:ruby:3.1.1
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cpe:2.3:a:ruby-lang:ruby:3.1.2
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cpe:2.3:o:fedoraproject:fedora:35
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cpe:2.3:o:fedoraproject:fedora:36
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cpe:2.3:o:fedoraproject:fedora:37