Uncaught Exception in Schneider Electric products - CVE-2018-7855

 

Uncaught Exception in Schneider Electric products - CVE-2018-7855

Published: October 2, 2019


Vulnerability identifier: #VU21489
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2018-7855
CWE-ID: CWE-248
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Schneider Electric
Affected software:
Modicon Quantum
Modicon Premium
Modicon M340
Modicon M580

Detailed vulnerability description

The vulnerability allows a remote attacker to cause a denial of service (DoS) condition on the target system.

The vulnerability exists due to uncaught exception vulnerability when sending invalid breakpoint parameters to the controller over Modbus. A remote
attacker can cause a denial of service condition.

How to mitigate CVE-2018-7855

Install updates from vendor's website.

Sources