Uncaught Exception in Schneider Electric products - CVE-2018-7852
Published: October 3, 2019
Vulnerability identifier: #VU21517
CSH Severity: Medium
CVSS v4: 8.7 [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]
CVE-ID: CVE-2018-7852
CWE-ID: CWE-248
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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 an invalid private command parameter is sent to the controller over Modbus. A remote attacker can cause a
denial of service condition.
The vulnerability exists due to uncaught exception vulnerability when an invalid private command parameter is sent to the controller over Modbus. A remote attacker can cause a
denial of service condition.
Affected software
Modicon Quantum
Modicon Premium
Modicon M340
Modicon M580
Modicon Premium
Modicon M340
Modicon M580
How to mitigate CVE-2018-7852
Install updates from vendor's website.
Modicon M340 - update to 3.01
Modicon M580 - update to 2.80
Modicon M580 - update to 2.80