Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

Go to Calendar     Go to Press Room     Go to Newsletters subscription

Search

CVE-2021-41819

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
01/01/2022
Last modified:
22/05/2025

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.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): High
Availability (A): None

Base Score 3.x
7.50
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:L/Au:N/C:N/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): Physical
Availability (A): None

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:ruby-lang:cgi:0.1.0:*:*:*:*:ruby:*:*
cpe:2.3:a:ruby-lang:cgi:0.2.0:*:*:*:*:ruby:*:*
cpe:2.3:a:ruby-lang:cgi:0.3.0:*:*:*:*:ruby:*:*
cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:* 2.6.8 (including)
cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:* 2.7.0 (including) 2.7.5 (excluding)
cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:* 3.0.0 (including) 3.0.3 (excluding)
cpe:2.3:a:redhat:software_collections:-:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:o:suse:linux_enterprise:11.0:sp1:*:*:*:*:*:*
cpe:2.3:o:suse:linux_enterprise:12.0:*:*:*:*:*:*:*
cpe:2.3:o:suse:linux_enterprise:15.0:*:*:*:*:*:*:*
cpe:2.3:a:opensuse:factory:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools