Home/CVE/An issue was discovered in Joomla! before 3.9.17. Improper input validations in the usergroup table class could lead to
CVE

CVE-2020-11890

An issue was discovered in Joomla! before 3.9.17. Improper input validations in the usergroup table class could lead to

An issue was discovered in Joomla! before 3.9.17. Improper input validations in the usergroup table class could lead to a broken ACL configuration.

MEDIUM · CVSS 5.3 EPSS 0.00271
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

1
joomla joomla\!>= 2.5.0 and < 3.9.17
▣

Scoring & Timeline

5.3
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD21 Apr 2020 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://developer.joomla.org/security-centre/810-20200402-core-missing-checks-for-the-root-usergroup-in-usergroup-table.htmlVendor Advisory
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