description: A remote code execution vulnerability exists in the install functionality of OS4Ed openSIS 7.4. The username variable which is set at line 121 in install/Step5.php allows for injection of PHP code into the Data.php file that it writes. An attacker can send an HTTP request to trigger this vulnerability.
problem types: CWE-96: Improper Neutralization of Directives in Statically Saved Code ('Static Code Injection')
affected:
{
product: OS4Ed
vendor: n/a
versions:
status: affected, version: OS4Ed openSIS 7.4
}
metrics:
cvssV3_0: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 10
baseSeverity: CRITICAL
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: NONE
scope: CHANGED
userInteraction: NONE
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
version: 3.0
]