title: Multiple vulnerabilities on Meta4 HR from Cegid
description:  An Unrestricted Upload of File vulnerability has been found on Cegid Meta4 HR, that allows an attacker to upload malicios files to the server via '/config/espanol/update_password.jsp' file. Modifying the 'M4_NEW_PASSWORD' parameter, an attacker could store a malicious JSP file inside the file directory, to be executed the the file is loaded in the application.
problem types: CWE-434 Unrestricted Upload of File with Dangerous Type
affected:
{
defaultStatus: unaffected
product: Meta4 HR
vendor: Cegid
versions:
status: affected, version: 819.001.022
}
metrics:
cvssV3_1: [
attackComplexity: HIGH
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 9
baseSeverity: CRITICAL
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: NONE
scope: CHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
version: 3.1
]
format: CVSS
scenarios: GENERAL
solutions: The Meta4 HR system administrator should remove the following pages from the web servers facing the Internet: From M4WebServices: The folder "config" (containing the webappconfig.jsp page). In future releases of Cegid Meta4 HR, these pages will be removed from the default distribution, so that there is not a real possibility of being left on an Internet facing production server.