CVE-2021-21690

Agent processes are able to completely bypass file path filtering by wrapping the file operation in an agent file path in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:jenkins:jenkins:::::lts:::*
	cpe:2.3:a:jenkins:jenkins:::::-:::*

History

22 Nov 2023, 21:23

Type	Values Removed	Values Added
CWE		CWE-22

25 Oct 2023, 18:16

Type	Values Removed	Values Added
CWE	~~CWE-693~~

09 Nov 2021, 15:20

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.5 v3 : 9.8
CPE		cpe:2.3:a:jenkins:jenkins:::::lts:::* cpe:2.3:a:jenkins:jenkins:::::-:::*
References	~~(CONFIRM) https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455 -~~	(CONFIRM) https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455 - Vendor Advisory

04 Nov 2021, 17:25

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-11-04 17:15

Updated : 2023-12-10 14:09

NVD link : CVE-2021-21690

Mitre link : CVE-2021-21690

CVE.ORG link : CVE-2021-21690

JSON object : View

Products Affected

jenkins

jenkins

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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