#VU24374 Improper Check for Unusual or Exceptional Conditions in Schneider Electric products - CVE-2018-7794
Published: January 17, 2020
Vulnerability identifier: #VU24374
Vulnerability risk: Medium
CVSSv4.0: 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:U/U:Green
CVE-ID: CVE-2018-7794
CWE-ID:
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Modicon M580
Modicon M340
Modicon Premium
Modicon Quantum
Modicon M580
Modicon M340
Modicon Premium
Modicon Quantum
Software vendor:
Schneider Electric
Schneider Electric
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper check for unusual or exceptional conditions. A remote attacker can cause a denial of service condition when reading data with invalid index using Modbus TCP.
Remediation
Install updates from vendor's website.