CVE-2021-41819

2022-01-0100:00:00

ubuntu.com

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.004 Low

EPSS

Percentile

73.0%

JSON

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.

OSVersionArchitecturePackageVersionFilename
ubuntu16.04noarchruby2.3< 2.3.1-2~ubuntu16.04.16+esm2) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu18.04noarchruby2.5< 2.5.1-1ubuntu1.11UNKNOWN
ubuntu20.04noarchruby2.7< 2.7.0-5ubuntu1.6UNKNOWN
ubuntu21.04noarchruby2.7< 2.7.2-4ubuntu1.3UNKNOWN
ubuntu21.10noarchruby2.7< 2.7.4-1ubuntu3.1UNKNOWN
ubuntu22.04noarchruby3.0< 3.0.2-7ubuntu2UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	16.04	noarch	ruby2.3	< 2.3.1-2~ubuntu16.04.16+esm2) Available with Ubuntu Pro or Ubuntu Pro (Infra-only	UNKNOWN
ubuntu	18.04	noarch	ruby2.5	< 2.5.1-1ubuntu1.11	UNKNOWN
ubuntu	20.04	noarch	ruby2.7	< 2.7.0-5ubuntu1.6	UNKNOWN
ubuntu	21.04	noarch	ruby2.7	< 2.7.2-4ubuntu1.3	UNKNOWN
ubuntu	21.10	noarch	ruby2.7	< 2.7.4-1ubuntu3.1	UNKNOWN
ubuntu	22.04	noarch	ruby3.0	< 3.0.2-7ubuntu2	UNKNOWN