Vulnerability Monitor

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CVE-2021-21683

The file browser in Jenkins 2.314 and earlier, LTS 2.303.1 and earlier may interpret some paths to files as absolute on Windows, resulting in a path traversal vulnerability allowing attackers with Overall/Read permission (Windows controller) or Job/Workspace permission (Windows agents) to obtain the contents of arbitrary files.

Published

2021-10-06T23:15:06.927

Last Modified

2024-11-21T05:48:49.650

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

8.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-22

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	jenkins	jenkins	≤ 2.303.1	Yes
Application	jenkins	jenkins	≤ 2.314	Yes
Operating System	microsoft	windows	-	No

References

http://www.openwall.com/lists/oss-security/2021/10/06/1 Mailing List, Third Party Advisory ([email protected])
https://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2481 Vendor Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2021/10/06/1 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2481 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)