CVE-2021-21607

CVSS V2 Medium 4 CVSS V3 Medium 6.5

Description

Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not limit sizes provided as query parameters to graph-rendering URLs, allowing attackers to request crafted URLs that use all available memory in Jenkins, potentially leading to out of memory errors.

Overview

CVE ID
CVE-2021-21607

Assigner
jenkinsci-cert@googlegroups.com

Vulnerability Status
Analyzed

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

Last Modified Date
2021-01-15T20:32:44

Weakness Enumerations

CWE	URL
CWE-770	http://cwe.mitre.org/data/definitions/770.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:S/C:N/I:N/A:P

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
SINGLE

Confidentiality Impact
NONE

Integrity Impact
NONE

Availability Impact
PARTIAL

Base Score
4

Severity
MEDIUM

Exploitability Score
8

Impact Score
2.9

CVSS Version 3

Version
3.1

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
HIGH

Base Score
6.5

Base Severity
MEDIUM

Exploitability Score
2.8

Impact Score
3.6

References

Reference URL	Reference Tags
https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-2025	Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-21607
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21607

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 07:27:04				Added to TrackCVE
2022-12-05 20:00:23	2021-01-13T16:15Z	2021-01-13T16:15:13	CVE Published Date	updated
2022-12-05 20:00:23		2021-01-15T20:32:44	CVE Modified Date	updated
2022-12-05 20:00:23		Analyzed	Vulnerability Status	updated