CVE-2021-33621

CVSS V2 None CVSS V3 High 8.8

Description

The cgi gem before 0.1.0.2, 0.2.x before 0.2.2, and 0.3.x before 0.3.5 for Ruby allows HTTP response splitting. This is relevant to applications that use untrusted user input either to generate an HTTP response or to create a CGI::Cookie object.

Overview

CVE ID
CVE-2021-33621

Assigner
cve@mitre.org

Vulnerability Status
Undergoing Analysis

Published Version
2022-11-18T23:15:18

Last Modified Date
2023-01-12T19:38:03

Weakness Enumerations

CWE	URL
CWE-436	http://cwe.mitre.org/data/definitions/436.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:ruby-lang:cgi::::::ruby::*	1	OR		0.1.0.2
cpe:2.3:a:ruby-lang:cgi::::::ruby::*	1	OR	0.2.0	0.2.2
cpe:2.3:a:ruby-lang:cgi::::::ruby::*	1	OR	0.3.0	0.3.5

CVSS Version 3

Version
3.1

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
8.8

Base Severity
HIGH

Exploitability Score
2.8

Impact Score
5.9

References

Reference URL	Reference Tags
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DQR7LWED6VAPD5ATYOBZIGJQPCUBRJBX/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/THVTYHHEOVLQFCFHWURZYO7PVUPBHRZD/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YACE6ORF2QBXXBK2V2CM36D7TZMEJVAS/
https://security.netapp.com/advisory/ntap-20221228-0004/
https://www.ruby-lang.org/en/news/2022/11/22/http-response-splitting-in-cgi-cve-2021-33621/	Exploit Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-33621
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33621

History

Created	Old Value	New Value	Data Type	Notes
2022-11-19 00:00:22				Added to TrackCVE
2022-12-07 17:54:21	2022-11-18T23:15Z	2022-11-18T23:15:18	CVE Published Date	updated
2022-12-07 17:54:21		2022-11-22T21:04:21	CVE Modified Date	updated
2022-12-07 17:54:21		Analyzed	Vulnerability Status	updated
2022-12-07 17:54:22			CPE Information	updated
2022-12-08 04:37:56		2022-12-08T04:15:08	CVE Modified Date	updated
2022-12-08 04:37:56	Analyzed	Modified	Vulnerability Status	updated
2022-12-08 04:37:57			References	updated
2022-12-08 06:39:01	Modified	Undergoing Analysis	Vulnerability Status	updated
2022-12-09 04:22:34		2022-12-09T04:15:08	CVE Modified Date	updated
2022-12-09 04:22:36			References	updated
2022-12-28 16:16:47		2022-12-28T16:15:08	CVE Modified Date	updated
2022-12-28 16:16:47			References	updated
2023-01-12 20:15:49		2023-01-12T19:38:03	CVE Modified Date	updated
2023-01-12 20:15:49	Undergoing Analysis	Analyzed	Vulnerability Status	updated
2023-04-10 17:11:28	Analyzed	Undergoing Analysis	Vulnerability Status	updated