CVE-2021-41819

HIGH

Ruby <2.6.8 - Info Disclosure

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 7.5
EPSS 0.0076
EPSS Percentile 73.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-565
Status published
Products (17)
debian/debian_linux 9.0
debian/debian_linux 10.0
debian/debian_linux 11.0
fedoraproject/fedora 34
fedoraproject/fedora 35
opensuse/factory
opensuse/leap 15.2
redhat/enterprise_linux 8.0
redhat/software_collections
ruby-lang/cgi 0.1.0
... and 7 more
Published Jan 01, 2022
Tracked Since Feb 18, 2026