CVE-2021-23127

[20210301] - Core - Insecure randomness within 2FA secret generation

Description

An issue was discovered in Joomla! 3.2.0 through 3.9.24. Usage of an insufficient length for the 2FA secret accoring to RFC 4226 of 10 bytes vs 20 bytes.

9.1

CVSS

Severity: Critical

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.01%

Vendor Advisory joomla.org

Affected: Joomla! Project Joomla! CMS

References

Link	Tags
https://developer.joomla.org/security-centre/841-20210301-core-insecure-randomness-within-2fa-secret-generation.html	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-23127?: CVE-2021-23127 has been scored as a critical severity vulnerability.
How to fix CVE-2021-23127?: To fix CVE-2021-23127, 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-2021-23127 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-23127 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.
What software or system is affected by CVE-2021-23127?: CVE-2021-23127 affects Joomla! Project Joomla! CMS.

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