CVE-2021-21609

CVSS V2 Medium 5 CVSS V3 Medium 5.3

Description

Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not correctly match requested URLs to the list of always accessible paths, allowing attackers without Overall/Read permission to access some URLs as if they did have Overall/Read permission.

Overview

CVE ID
CVE-2021-21609

Assigner
jenkinsci-cert@googlegroups.com

Vulnerability Status
Analyzed

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

Last Modified Date
2021-01-15T20:00:06

Weakness Enumerations

CWE	URL
CWE-863	http://cwe.mitre.org/data/definitions/863.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:L/Au:N/C:P/I:N/A:N

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
NONE

Availability Impact
NONE

Base Score
5

Severity
MEDIUM

Exploitability Score
10

Impact Score
2.9

CVSS Version 3

Version
3.1

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
LOW

Availability Impact
NONE

Base Score
5.3

Base Severity
MEDIUM

Exploitability Score
3.9

Impact Score
1.4

References

Reference URL	Reference Tags
https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-2047	Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-21609
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21609

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 07:27:04				Added to TrackCVE
2022-12-05 20:00:31	2021-01-13T16:15Z	2021-01-13T16:15:13	CVE Published Date	updated
2022-12-05 20:00:31		2021-01-15T20:00:06	CVE Modified Date	updated
2022-12-05 20:00:31		Analyzed	Vulnerability Status	updated