PT-2020-11996 · Open Source Matters · Joomla!

Lee Thao · Published 2020-03-16 · Updated 2025-04-03 · CVE-2020-10240

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Name of the Vulnerable Software and Affected Versions Joomla! versions prior to 3.9.16

Description An issue was discovered in Joomla! where missing length checks in the user table can lead to the creation of users with duplicate usernames and/or email addresses.

Recommendations For versions prior to 3.9.16, update to version 3.9.16 or later to resolve the issue.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BIT-JOOMLA-2020-10240

CVE-2020-10240

Affected Products

Joomla!

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2020-10240 · Security Note
• https://osv.dev/vulnerability/CVE-2020-10240 · Vendor Advisory
• https://developer.joomla.org/security-centre/805-20200304-core-identifier-collisions-in-com-users · Vendor Advisory
• https://osv.dev/vulnerability/BIT-joomla-2020-10240 · Vendor Advisory
• https://t.me/cvenotify/1754 · Telegram Post