CVE-2021-21606

MEDIUM

Jenkins < 2.263.1, < 2.274 - Unauthenticated XML File Existence Check via Fingerprint ID Validation

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 4.3
EPSS 0.0024
EPSS Percentile 46.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Details

CWE
CWE-20
Status published
Products (3)
jenkins/jenkins < 2.263.1
jenkins/jenkins < 2.274
org.jenkins-ci.main/jenkins-core 0 - 2.263.2Maven
Published Jan 13, 2021
Tracked Since Feb 18, 2026