CVE-2020-2300

CRITICALNVD 9.89.8

9.8

Jenkins Active Directory Plugin 2.19 and earlier does not prohibit the use of an empty password in Windows/ADSI mode, which allows attackers to log in to Jenkins as any user depending on the configuration of the Active Directory server.

CVSS v3: 9.8
EG Score: 9.8(low)
EPSS: 40.9%
KEV: Not listed

Published

November 4, 2020

Last Modified

November 21, 2024

References (4)

jenkinsci-cert@googlegroupshttp://www.openwall.com/lists/oss-security/2020/11/04/6
jenkinsci-cert@googlegroupshttps://www.jenkins.io/security/advisory/2020-11-04/#SECURITY-2099
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2020/11/04/6
af854a3a-2127-422b-91ae-364da2661108https://www.jenkins.io/security/advisory/2020-11-04/#SECURITY-2099

Affected Packages

(1 across 1 ecosystem)

Maven(1)

Package	Vulnerable range	Fixed in	Dependents
org.jenkins-ci.plugins:active-directory	1.18 ... 2.9 (48 versions)	2.16.1	—

Data Freshness Timeline

(refreshed 10× in last 7d / 17× 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.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
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
2026-05-23 05:42 UTCEG score recompute

Frequently asked(5)

What is CVE-2020-2300?

CVE-2020-2300 is a critical vulnerability published on November 4, 2020. Jenkins Active Directory Plugin 2.19 and earlier does not prohibit the use of an empty password in Windows/ADSI mode, which allows attackers to log in to Jenkins as any user depending on the configuration of the Active Directory server.

When was CVE-2020-2300 disclosed?

CVE-2020-2300 was first published in the National Vulnerability Database on November 4, 2020, 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-2020-2300 actively exploited?

CVE-2020-2300 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 40.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-2300?

CVE-2020-2300 has a CVSS v3 base score of 9.8 (NVD). The EG score is currently aggregating — additional source signals are being incorporated as they become available..

How do I remediate CVE-2020-2300?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-2300, 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

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CVE-2020-2300

📅 Published

🔄 Last Modified

🔗 References (4)