CVE-2021-21615

low-risk
Published 2021-01-26

Jenkins 2.275 and LTS 2.263.2 allows reading arbitrary files using the file browser for workspaces and archived artifacts due to a time-of-check to time-of-use (TOCTOU) race condition.

Do I need to act?

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0.44% 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 / HIGH complexity

Affected Products (2)

Affected Vendors

Jenkins

References (4)

Mailing List http://www.openwall.com/lists/oss-security/2021/01/26/2
Vendor Advisory https://www.jenkins.io/security/advisory/2021-01-26/#SECURITY-2197
Mailing List http://www.openwall.com/lists/oss-security/2021/01/26/2
Vendor Advisory https://www.jenkins.io/security/advisory/2021-01-26/#SECURITY-2197
26
/ 100
low-risk
Severity 17/34 · Moderate
Exploitability 2/34 · Minimal
Exposure 7/34 · Low