CVE-2020-2099

jenkins: Inbound TCP Agent Protocol/3 authentication bypass

Published Jan 29, 2020 CVSS 3.1 · 8.6 High EPSS 1.0% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-5008 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.
Github GHSA Github GHSA GHSA-qp4f-2w67-c8hw Inbound TCP Agent Protocol/3 authentication bypass in Jenkins
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
jenkins
Published
Updated
Aug 4, 2024, 7:01 AM
Reserved
Dec 5, 2019, 12:00 AM
Status
Modified
Published
Jan 29, 2020, 4:15 PM
Modified
Jun 17, 2026, 3:11 AM
Severity
Important
Public date
Jan 29, 2020, 12:00 AM