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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.6 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
jenkinsCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 69%
VendorProductVersion
jenkinsjenkins
𝑥
≤ 2.204.1
jenkinsjenkins
𝑥
≤ 2.218
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
http://www.openwall.com/lists/oss-security/2020/01/29/1
https://access.redhat.com/errata/RHBA-2020:0402
https://access.redhat.com/errata/RHBA-2020:0675
https://access.redhat.com/errata/RHSA-2020:0681
https://access.redhat.com/errata/RHSA-2020:0683
https://jenkins.io/security/advisory/2020-01-29/#SECURITY-1682
http://www.openwall.com/lists/oss-security/2020/01/29/1
https://access.redhat.com/errata/RHBA-2020:0402
https://access.redhat.com/errata/RHBA-2020:0675
https://access.redhat.com/errata/RHSA-2020:0681
https://access.redhat.com/errata/RHSA-2020:0683
https://jenkins.io/security/advisory/2020-01-29/#SECURITY-1682