Improper Authentication in Schneider Electric products - CVE-2018-7760
Published: October 3, 2019
Vulnerability identifier: #VU21521
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2018-7760
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Schneider Electric
Affected software:
BMXNOR0200H Ethernet / Serial RTU module
Modicon Premium
Modicon Quantum
Modicon M340
BMXNOR0200H Ethernet / Serial RTU module
Modicon Premium
Modicon Quantum
Modicon M340
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in CGI functions. A remote attacker can send a specially crafted request to CGI functions, bypass authentication process and gain unauthorized access to the application.
How to mitigate CVE-2018-7760
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.