CVE-2019-16561

HIGHNVD 7.17.1—

7.1

Jenkins WebSphere Deployer Plugin 1.6.1 and earlier allows users with Overall/Read access to disable SSL/TLS certificate and hostname validation for the entire Jenkins master JVM.

CVSS v3: 7.1
EG Score: 7.1(medium)
EPSS: 7.7%
KEV: Not listed

Published

December 17, 2019

Last Modified

November 21, 2024

References (4)

jenkinsci-cert@googlegroupshttp://www.openwall.com/lists/oss-security/2019/12/17/1
jenkinsci-cert@googlegroupshttps://jenkins.io/security/advisory/2019-12-17/#SECURITY-1581
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2019/12/17/1
af854a3a-2127-422b-91ae-364da2661108https://jenkins.io/security/advisory/2019-12-17/#SECURITY-1581

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
maven	org.jenkins-ci.plugins:websphere-deployer	—	ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)

Maven(1)

Package	Vulnerable range	Fixed in	Dependents
org.jenkins-ci.plugins:websphere-deployer	1.1 ... 1.6.1 (7 versions)	—	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-295Improper Certificate Validation

Data Freshness Timeline

(refreshed 8× in last 7d / 8× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:38 UTCepss_batch
2026-05-27 10:24 UTCEG score recompute
2026-05-27 10:24 UTCGHSA enrichment
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2019-16561?

CVE-2019-16561 is a high vulnerability published on December 17, 2019. Jenkins WebSphere Deployer Plugin 1.6.1 and earlier allows users with Overall/Read access to disable SSL/TLS certificate and hostname validation for the entire Jenkins master JVM.

When was CVE-2019-16561 disclosed?

CVE-2019-16561 was first published in the National Vulnerability Database on December 17, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2019-16561 actively exploited?

CVE-2019-16561 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 7.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-16561?

CVE-2019-16561 has a CVSS v3 base score of 7.1 (NVD).

How do I remediate CVE-2019-16561?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-16561, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2019-16561

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