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  5. CVE-2020-2101

CVE-2020-2101: Information Exposure Through Discrepancy

January 29, 2020 (updated March 17, 2020)

Jenkins does not use a constant-time comparison function for validating connection secrets, which could potentially allow an attacker to use a timing attack to obtain this secret.

References

  • jenkins.io/security/advisory/2020-01-29/
  • nvd.nist.gov/vuln/detail/CVE-2020-2101

Code Behaviors & Features

Detect and mitigate CVE-2020-2101 with GitLab Dependency Scanning

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Affected versions

All versions up to 2.218

Fixed versions

  • 2.219

Solution

Upgrade to version 2.219 or above.

Impact 5.3 MEDIUM

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Learn more about CVSS

Weakness

  • CWE-203: Observable Discrepancy

Source file

maven/org.jenkins-ci.main/jenkins-core/CVE-2020-2101.yml

Spotted a mistake? Edit the file on GitLab.

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