CVE-2021-23127

critical
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

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.

References

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

Details

Source: MITRE

Published: 2021-03-04

Updated: 2021-03-05

Risk Information

CVSS v2

Base Score: 6.4

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:N

Impact Score: 4.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 9.1

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Impact Score: 5.2

Exploitability Score: 3.9

Severity: CRITICAL

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*

Tenable Plugins

View all (2 total)

IDNameProductFamilySeverity
147705Joomla 1.6.x < 3.9.25 Multiple Vulnerabilities (5834-joomla-3-9-25)NessusCGI abuses
critical
112713Joomla! 3.x < 3.9.25 Multiple VulnerabilitiesWeb Application ScanningComponent Vulnerability
critical