What’s Vulnerable › Vulnerabilities

CVE-2023-37943

• Severity: medium (CVSS 5.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-07-12 · updated 2026-06-17
• Weakness: CWE-311

Description

Jenkins Active Directory Plugin 2.30 and earlier ignores the "Require TLS" and "StartTls" options and always performs the connection test to Active directory unencrypted, allowing attackers able to capture network traffic between the Jenkins controller and Active Directory servers to obtain Active Directory credentials.

Affected products

• Jenkins project Jenkins Active Directory Plugin: through 2.30

References

• http://www.openwall.com/lists/oss-security/2023/07/12/2
• https://www.jenkins.io/security/advisory/2023-07-12/#SECURITY-3059
• http://www.openwall.com/lists/oss-security/2023/07/12/2
• https://www.jenkins.io/security/advisory/2023-07-12/#SECURITY-3059

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