CVE-2021-21611

CVSS V2 Low 3.5 CVSS V3 Medium 5.4

Description

Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not escape display names and IDs of item types shown on the New Item page, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to specify display names or IDs of item types.

Overview

CVE ID
CVE-2021-21611

Assigner
jenkinsci-cert@googlegroups.com

Vulnerability Status
Analyzed

Published Version
2021-01-13T16:15:14

Last Modified Date
2021-01-15T19:25:57

Weakness Enumerations

CWE	URL
CWE-79	http://cwe.mitre.org/data/definitions/79.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:jenkins:jenkins:::::lts:::*	1	OR		2.263.1
cpe:2.3:a:jenkins:jenkins:::::-:::*	1	OR		2.274

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:M/Au:S/C:N/I:P/A:N

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
SINGLE

Confidentiality Impact
NONE

Integrity Impact
PARTIAL

Availability Impact
NONE

Base Score
3.5

Severity
LOW

Exploitability Score
6.8

Impact Score
2.9

CVSS Version 3

Version
3.1

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
REQUIRED

Scope
CHANGED

Confidentiality Impact
LOW

Availability Impact
NONE

Base Score
5.4

Base Severity
MEDIUM

Exploitability Score
2.3

Impact Score
2.7

References

Reference URL	Reference Tags
https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-2171	Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-21611
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21611

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 07:27:07				Added to TrackCVE
2022-12-05 20:00:40	2021-01-13T16:15Z	2021-01-13T16:15:14	CVE Published Date	updated
2022-12-05 20:00:40		2021-01-15T19:25:57	CVE Modified Date	updated
2022-12-05 20:00:40		Analyzed	Vulnerability Status	updated