Vulnerability CVE-2021-21685
Published: 2021-11-04

Description:
Jenkins 2.318 and earlier, LTS 2.303.2 and earlier does not check agent-to-controller access to create parent directories in FilePath#mkdirs.

Type:

CWE-862

 (Missing Authorization)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.4/10
4.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
None
Affected software
Jenkins -> Jenkins 

 References:
https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455
http://www.openwall.com/lists/oss-security/2021/11/04/3
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