High severity · published Aug 20, 2024
CVE-2024-27187
Improper Access Controls allows backend users to overwrite their username when disallowed
7.5
CVSS
0.4%
EPSS
No
On KEV
Description
Improper Access Controls allows backend users to overwrite their username when disallowed.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 29% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JO
Joomla · Joomla
4.0.0 before 4.4.7; 5.0.0 before 5.1.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-27187
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-27187
Vendor Advisory
https://developer.joomla.org/security-centre/945-20240804-core-improper-acl-for-backend-profile-view.html
More from Joomla
9.8
CVE-2016-10033
The mailSend function in the isMail transport in PHPMailer before 5.2.18 might allow remote attackers to pass extra parameters to the mail command and consequently execute…
5.3
CVE-2023-23752
[20230201] - Core - Improper access check in webservice endpoints
9.8
CVE-2026-73373
Joomla! Core - [20260810] - Unrestricted uploads of SHTML files in Joomla 1.0.0-5.4.7, 6.0.0-6.1.2
9.8
CVE-2026-35221
Joomla! Core - [20260506] - Authenticated blind SQLi in com_finder
9.8
CVE-2026-40383
Joomla! Core - [20260509] - LFI in HTMLView layout parameter
