HomeRuby-LangCVE-2021-33621

CVE-2021-33621

HIGH
8.8CVSS
Published: 2022-11-18
Updated: 2025-11-04
AI Analysis

Description

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.

CVSS Metrics

Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
network
Complexity
low
Privileges
low
User Action
none
Scope
unchanged
Confidentiality
high
Integrity
high
Availability
high
Weaknesses
CWE-74

Metadata

Primary Vendor
RUBY-LANG
Published
11/18/2022
Last Modified
11/4/2025
Source
NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

ruby-lang : cgiruby-lang : cgiruby-lang : cgifedoraproject : fedorafedoraproject : fedorafedoraproject : fedoraruby-lang : rubyruby-lang : rubyruby-lang : ruby

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CVE-CVE-2021-33621 | HIGH Severity | CVEDatabase.com | CVEDatabase.com