Vulnerability in Jenkins
CVE-2020-2099
Jenkins 2.213 and earlier, LTS 2.204.1 and earlier improperly reuses encryption key parameters in the Inbound TCP Agent Protocol/3, allowing unauthorized attackers with knowledge of agent names to obtain the connection secrets for those agents, which can be used to connect to Jenkins, impersonating those agents.
EPSS: 0.010 (59.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L.
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-2020-2099?
- CVE-2020-2099 is a high-severity vulnerability in Jenkins, classified under Use of Insufficiently Random Values. CVSS score: 8.6/10. Published 2020-01-29.
- How severe is CVE-2020-2099?
- High severity. CVSS v3 base score is 8.6 out of 10.