Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-41819

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.

Published

2022-01-01T06:15:07.293

Last Modified

2025-05-22T15:15:54.060

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:P/A:N

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: PARTIAL
  • Availability Impact: NONE
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-565
  • Type: Secondary
    CWE-565
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application ruby-lang cgi 0.1.0 Yes
Application ruby-lang cgi 0.2.0 Yes
Application ruby-lang cgi 0.3.0 Yes
Application ruby-lang ruby ≤ 2.6.8 Yes
Application ruby-lang ruby < 2.7.5 Yes
Application ruby-lang ruby < 3.0.3 Yes
Application redhat software_collections - Yes
Operating System redhat enterprise_linux 8.0 Yes
Operating System debian debian_linux 9.0 Yes
Operating System debian debian_linux 10.0 Yes
Operating System debian debian_linux 11.0 Yes
Operating System suse linux_enterprise 11.0 Yes
Operating System suse linux_enterprise 12.0 Yes
Operating System suse linux_enterprise 15.0 Yes
Application opensuse factory - Yes
Operating System opensuse leap 15.2 Yes
Operating System fedoraproject fedora 34 Yes
Operating System fedoraproject fedora 35 Yes
References