Vulnerability Details : CVE-2021-21695

FilePath#listFiles lists files outside directories that agents are allowed to access when following symbolic links in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier.
Published 2021-11-04 17:15:09
Updated 2023-11-22 21:22:10
Source Jenkins Project
View at NVD,   CVE.org

Products affected by CVE-2021-21695

Threat overview for CVE-2021-21695

Top countries where our scanners detected CVE-2021-21695
Top open port discovered on systems with this issue 80
IPs affected by CVE-2021-21695 30,308
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2021-21695!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2021-21695

EPSS FAQ
0.26%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 65 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-21695

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.8
 MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:P
8.6
6.4
 NIST
8.8
 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
2.8
5.9
 NIST

CWE ids for CVE-2021-21695

  • The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.
    Assigned by: nvd@nist.gov (Primary)
  • The product does not perform an authorization check when an actor attempts to access a resource or perform an action.
    Assigned by: jenkinsci-cert@googlegroups.com (Secondary)

References for CVE-2021-21695

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