Vulnerability Details : CVE-2021-21602
Jenkins 2.274 and earlier, LTS 2.263.1 and earlier allows reading arbitrary files using the file browser for workspaces and archived artifacts by following symlinks.
Products affected by CVE-2021-21602
- cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*
- cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*
Threat overview for CVE-2021-21602
Top countries where our scanners detected CVE-2021-21602
Top open port discovered on systems with this issue
80
IPs affected by CVE-2021-21602 17,992
Threat actors abusing to this issue?
Yes
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Exploit prediction scoring system (EPSS) score for CVE-2021-21602
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 27 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-21602
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:N/A:N |
8.0
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2021-21602
-
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:
- jenkinsci-cert@googlegroups.com (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2021-21602
-
https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-1452
Jenkins Security Advisory 2021-01-13Vendor Advisory
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