CVE-2021-21621

low-risk
Published 2021-02-24

Jenkins Support Core Plugin 2.72 and earlier provides the serialized user authentication as part of the "About user (basic authentication details only)" information, which can include the session ID of the user creating the support bundle in some configurations.

Do I need to act?

-
0.05% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.3/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Support Core

Affected Vendors

Jenkins

References (2)

Vendor Advisory https://www.jenkins.io/security/advisory/2021-02-24/#SECURITY-2150
Vendor Advisory https://www.jenkins.io/security/advisory/2021-02-24/#SECURITY-2150
26
/ 100
low-risk
Severity 21/34 · High
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal