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

0.0
critical

Snyk CVSS

    Attack Complexity High
    Scope Changed
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.24% (62nd percentile)
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NVD
9.8 critical
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Red Hat
9 critical

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  • Snyk ID SNYK-JAVA-ORGJENKINSCIMAIN-1911961
  • published 5 Nov 2021
  • disclosed 4 Nov 2021
  • credit Unknown
Report a new vulnerability Found a mistake?

Introduced: 4 Nov 2021

CVE-2021-21694 Open this link in a new tab
CWE-285 Open this link 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 Improper Authorization. An incorrect permissions validation vulnerability was found in Jenkins. The FilePath#toURI, FilePath#hasSymlink, FilePath#absolutize, FilePath#isDescendant, and FilePath#get*DiskSpace do not check any permissions, which may allow an attacker who has access to any of these operations to be able to read and write arbitrary files on the Jenkins controller file system.