PT-2020-12923 · Open Source Matters · Joomla!

Hoang Kien · Published 2020-04-21 · Updated 2025-04-03 · CVE-2020-11890

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 3.9.17

Description An issue was discovered in the usergroup table class due to improper input validations, which could lead to a broken ACL configuration.

Recommendations For versions prior to 3.9.17, update to version 3.9.17 or later to resolve the issue.

Exploit

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BIT-JOOMLA-2020-11890

CVE-2020-11890

Affected Products

Joomla!

References · 7

• 🔥 https://github.com/HoangKien1020/CVE-2020-11890 · Exploit
• https://developer.joomla.org/security-centre/810-20200402-core-missing-checks-for-the-root-usergroup-in-usergroup-table.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-11890 · Security Note
• https://osv.dev/vulnerability/CVE-2020-11890 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-joomla-2020-11890 · Vendor Advisory
• https://t.me/cvenotify/2972 · Telegram Post
• https://t.me/malwr/3366 · Telegram Post