What’s Vulnerable › Vulnerabilities

CVE-2020-2300

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-11-04 · updated 2026-06-17

Description

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.

Affected products

• Jenkins project Jenkins Active Directory Plugin: through 2.19

References

• http://www.openwall.com/lists/oss-security/2020/11/04/6
• https://www.jenkins.io/security/advisory/2020-11-04/#SECURITY-2099
• http://www.openwall.com/lists/oss-security/2020/11/04/6
• https://www.jenkins.io/security/advisory/2020-11-04/#SECURITY-2099

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