CVE-2021-21615

CVSS V2 Low 3.5 CVSS V3 Medium 5.3

Description

Jenkins 2.275 and LTS 2.263.2 allows reading arbitrary files using the file browser for workspaces and archived artifacts due to a time-of-check to time-of-use (TOCTOU) race condition.

Overview

CVE ID
CVE-2021-21615

Assigner
jenkinsci-cert@googlegroups.com

Vulnerability Status
Analyzed

Published Version
2021-01-26T18:16:18

Last Modified Date
2021-02-02T16:20:54

Weakness Enumerations

CWE	URL
CWE-367	http://cwe.mitre.org/data/definitions/367.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:jenkins:jenkins:::::lts:::*	1	OR		2.263.3
cpe:2.3:a:jenkins:jenkins:::::-:::*	1	OR		2.276

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
SINGLE

Confidentiality Impact
PARTIAL

Integrity Impact
NONE

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:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK

Attack Compatibility
HIGH

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
NONE

Base Score
5.3

Base Severity
MEDIUM

Exploitability Score
1.6

Impact Score
3.6

References

Reference URL	Reference Tags
https://www.jenkins.io/security/advisory/2021-01-26/#SECURITY-2197	Vendor Advisory
http://www.openwall.com/lists/oss-security/2021/01/26/2	Mailing List Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-21615
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21615

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 07:25:08				Added to TrackCVE
2022-12-05 20:54:02	2021-01-26T18:16Z	2021-01-26T18:16:18	CVE Published Date	updated
2022-12-05 20:54:02		2021-02-02T16:20:54	CVE Modified Date	updated
2022-12-05 20:54:02		Analyzed	Vulnerability Status	updated