CVE-2021-31866

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.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.44%
Vendor Advisory redmine.org Vendor Advisory redmine.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.redmine.org/projects/redmine/wiki/Security_Advisories vendor advisory
https://www.redmine.org/news/131 vendor advisory
https://lists.debian.org/debian-lts-announce/2021/05/msg00013.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2021-31866?
CVE-2021-31866 has been scored as a medium severity vulnerability.
How to fix CVE-2021-31866?
To fix CVE-2021-31866, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-31866 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-31866 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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