CVE-2020-11891 : An issue was discovered in Joomla! before 3.9.17. Incorrect ACL checks in the ac

An issue was discovered in Joomla! before 3.9.17. Incorrect ACL checks in the access level section of com_users allow the unauthorized editing of usergroups.

Published 2020-04-21 17:15:13

Updated 2021-07-21 11:39:24

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2020-11891

Joomla » Joomla!
Versions from including (>=) 3.8.8 and before (<) 3.9.17
cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2020-11891

EPSS FAQ

0.08%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 32 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-11891

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:P/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
5.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N	3.9	1.4	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: Low Availability: None

References for CVE-2020-11891

https://developer.joomla.org/security-centre/809-20200401-core-incorrect-access-control-in-com-users-access-level-editing-function.html

[20200401] - Core - Incorrect access control in com_users access level editing function
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Vulnerability Details : CVE-2020-11891

Products affected by CVE-2020-11891

Exploit prediction scoring system (EPSS) score for CVE-2020-11891

CVSS scores for CVE-2020-11891

References for CVE-2020-11891