What’s Vulnerable › Vulnerabilities

CVE-2021-37156

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-08-05 · updated 2026-06-17
• Weakness: CWE-613

Description

Redmine 4.2.0 and 4.2.1 allow existing user sessions to continue upon enabling two-factor authentication for the user's account, but the intended behavior is for those sessions to be terminated.

Affected products

• Redmine: 4.2.0, 4.2.1

References

• https://www.redmine.org/news/132
• https://www.redmine.org/projects/redmine/wiki/Security_Advisories
• https://www.redmine.org/news/132
• https://www.redmine.org/projects/redmine/wiki/Security_Advisories

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