Improper Authentication in Schneider Electric products - CVE-2018-7760

 

Improper Authentication in Schneider Electric products - CVE-2018-7760

Published: October 3, 2019


Vulnerability identifier: #VU21521
CSH Severity: High
CVSS v4: 9.2 [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]
CVE-ID: CVE-2018-7760
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

BMXNOR0200H Ethernet / Serial RTU module
Modicon Premium
Modicon Quantum
Modicon M340

How to mitigate CVE-2018-7760

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.


External References

Related Security Bulletins