Vulnerability identifier: #VU27963
Vulnerability risk: High
CVSSv3.1: 8.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-427
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
EcoStruxure Operator Terminal Expert
Client/Desktop applications /
Other client software
Vendor: 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.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
EcoStruxure Operator Terminal Expert: 3.1 SP1
External links
http://www.zerodayinitiative.com/advisories/ZDI-20-656/
http://www.se.com/ww/en/download/document/SEVD-2020-133-04/
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.