Vulnerability in Jenkins
CVE-2020-2101
Jenkins 2.218 and earlier, LTS 2.204.1 and earlier did 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.
EPSS: 0.014 (69.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Jenkins
- Jenkins Project — versions unspecified
Weakness classification (CWE)
References
- jenkinsci-cert@googlegroups.com (x_refsource_CONFIRM, Vendor Advisory)
- jenkinsci-cert@googlegroups.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- jenkinsci-cert@googlegroups.com (x_refsource_REDHAT, vendor-advisory)
- jenkinsci-cert@googlegroups.com (x_refsource_REDHAT, vendor-advisory)
- jenkinsci-cert@googlegroups.com (x_refsource_REDHAT, vendor-advisory)
- jenkinsci-cert@googlegroups.com (x_refsource_REDHAT, vendor-advisory)
Frequently asked questions
- What is CVE-2020-2101?
- CVE-2020-2101 is a medium-severity vulnerability in Jenkins, classified under Observable Discrepancy. CVSS score: 5.3/10. Published 2020-01-29.
- How severe is CVE-2020-2101?
- Medium severity. CVSS v3 base score is 5.3 out of 10.