Symlink Attack Affecting org.jenkins-ci.main:jenkins-core package, versions [,2.303.3)[2.304,2.319)


Severity

Recommended
0.0
critical
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.21% (59th percentile)

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  • Snyk IDSNYK-JAVA-ORGJENKINSCIMAIN-1911953
  • published5 Nov 2021
  • disclosed4 Nov 2021
  • creditUnknown

Introduced: 4 Nov 2021

CVE-2021-21686  (opens in a new tab)
CWE-22  (opens in a new tab)

How to fix?

Upgrade org.jenkins-ci.main:jenkins-core to version 2.303.3, 2.319 or higher.

Overview

org.jenkins-ci.main:jenkins-core is an open source automation server.

Affected versions of this package are vulnerable to Symlink Attack. File path filters do not canonicalize paths, allowing operations to follow symbolic links to outside allowed directories.

CVSS Scores

version 3.1