What’s Vulnerable › Vulnerabilities

CVE-2022-34174

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-06-23 · updated 2026-06-17
• Weakness: CWE-203

Description

In Jenkins 2.355 and earlier, LTS 2.332.3 and earlier, an observable timing discrepancy on the login form allows distinguishing between login attempts with an invalid username, and login attempts with a valid username and wrong password, when using the Jenkins user database security realm.

Affected products

• Jenkins: through 2.332.3; through 2.355

References

• https://www.jenkins.io/security/advisory/2022-06-22/#SECURITY-2566
• https://www.jenkins.io/security/advisory/2022-06-22/#SECURITY-2566

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