CVE-2021-31866

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CVSS 3.1

5.3 medium

EPSS

1%p67

Published

Apr 28, 2021 (Apr 28, 2021)

Modified

Jun 17, 2026

Description

Redmine before 4.0.9 and 4.1.x before 4.1.3 allows an attacker to learn the values of internal authentication keys by observing timing differences in string comparison operations within SysController and MailHandlerController.

Vendors: redmine debian
Products: redmine, debian linux
Weakness: CWE-203
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (1.2%)

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