#VU27963 Insecure DLL loading in EcoStruxure Operator Terminal Expert - CVE-2020-7494
Published: May 18, 2020
Vulnerability identifier: #VU27963
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2020-7494
CWE-ID: CWE-427
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
EcoStruxure Operator Terminal Expert
EcoStruxure Operator Terminal Expert
Software vendor:
Schneider Electric
Schneider Electric
Description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists within the handling of VXDZ files due to the application loads DLL libraries in an insecure manner. A remote attacker can place a specially crafted .dll file, trick the victim into opening a file, associated with the vulnerable application, and execute arbitrary code on victim's system.
Remediation
Install updates from vendor's website.