CVE-2021-41819

PoC —

CVSS 3.1

7.5 high

EPSS

3%p86

Published

Jan 1, 2022 (Jan 1, 2022)

Modified

Jun 17, 2026

Description

CGI::Cookie.parse in Ruby through 2.6.8 mishandles security prefixes in cookie names. This also affects the CGI gem through 0.3.0 for Ruby.

Vendors: ruby-lang redhat debian suse opensuse fedoraproject
Products: cgi, ruby, software collections, enterprise linux, debian linux, linux enterprise, factory, leap, fedora
Weakness: CWE-565
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (2.9%)

In the news0 stories

No ingested article mentions this CVE yet.