CVE-2020-35614: [20201105] - Core - User Enumeration in backend login

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-12-28 · updated 2026-06-17

Description

An issue was discovered in Joomla! 3.9.0 through 3.9.22. Improper handling of the username leads to a user enumeration attack vector in the backend login page.

Affected products

Joomla!: from 3.9.0 through 3.9.22

References

https://developer.joomla.org/security-centre/832-20201105-core-user-enumeration-in-backend-login.html
https://developer.joomla.org/security-centre/832-20201105-core-user-enumeration-in-backend-login.html

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