Symlink Attack Affecting org.jenkins-ci.main:jenkins-core package, versions [,2.303.3) [2.304,2.319)
Snyk CVSS
Attack Complexity
High
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Threat Intelligence
EPSS
0.24% (62nd
percentile)
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Test your applications- Snyk ID SNYK-JAVA-ORGJENKINSCIMAIN-1911974
- published 5 Nov 2021
- disclosed 4 Nov 2021
- credit Unknown
Introduced: 4 Nov 2021
CVE-2021-21691 Open this link in a new tabHow 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. An incorrect permissions validation vulnerability was found in Jenkins. Creating symbolic links is possible without the symlink permission that may allow an attacker to read and write arbitrary files on the Jenkins controller file system.