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MEDIUM · 4.3

CVE-2021-21606

Jenkins 2.274 and earlier, LTS 2.263.1 and earlier improperly validates the format of a provided fingerprint ID when checking for its existence allowing an attacker to check for the existence of XML f...

Vulnerability Description

Jenkins 2.274 and earlier, LTS 2.263.1 and earlier improperly validates the format of a provided fingerprint ID when checking for its existence allowing an attacker to check for the existence of XML files with a short path.

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
JenkinsJenkins<= 2.263.1

Related Weaknesses (CWE)

CWE-20

References

FAQ

What is CVE-2021-21606?

CVE-2021-21606 is a vulnerability with a CVSS score of 4.3 (MEDIUM). Jenkins 2.274 and earlier, LTS 2.263.1 and earlier improperly validates the format of a provided fingerprint ID when checking for its existence allowing an attacker to check for the existence of XML f...

How severe is CVE-2021-21606?

CVE-2021-21606 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-21606?

Check the references section above for vendor advisories and patch information. Affected products include: Jenkins Jenkins.