CVE-2021-21686 Detail
Current Description
File path filters in the agent-to-controller security subsystem of Jenkins 2.318 and earlier, LTS 2.303.2 and earlier do not canonicalize paths, allowing operations to follow symbolic links to outside allowed directories.
Analysis Description
File path filters in the agent-to-controller security subsystem of Jenkins 2.318 and earlier, LTS 2.303.2 and earlier do not canonicalize paths, allowing operations to follow symbolic links to outside allowed directories.
Severity
References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-59 | Improper Link Resolution Before File Access (‘Link Following’) | NIST |
| CWE-22 | Improper Limitation of a Pathname to a Restricted Directory (‘Path Traversal’) | Jenkins Project |
Change History
1 change records found show changes
Initial Analysis 11/08/2021 9:38:53 AM
| Action | Type | Old Value | New Value |
|---|---|---|---|
| Added | CPE Configuration |
OR
*cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:* versions up to (excluding) 2.303.3
*cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:* versions up to (excluding) 2.319
|
|
| Added | CVSS V2 |
NIST (AV:N/AC:M/Au:N/C:P/I:P/A:N) |
|
| Added | CVSS V2 Metadata |
Victim must voluntarily interact with attack mechanism |
|
| Added | CVSS V3.1 |
NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N |
|
| Added | CWE |
NIST CWE-59 |
|
| Changed | Reference Type |
https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455 No Types Assigned |
https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455 Vendor Advisory |
Quick Info
CVE Dictionary Entry:
CVE-2021-21686
NVD Published Date:
11/04/2021
NVD Last Modified:
11/08/2021
Source:
Jenkins Project