#VU21477 Improper check for unusual or exceptional conditions in Schneider Electric products - CVE-2019-6819
Published: October 2, 2019
Vulnerability identifier: #VU21477
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-2019-6819
CWE-ID:
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Modicon Premium
Modicon Quantum
Modicon M580
Modicon M340
Modicon Premium
Modicon Quantum
Modicon M580
Modicon M340
Software vendor:
Schneider Electric
Schneider Electric
Description
The vulnerability allows a remote attacker to cause a denial of service (DoS) condition.
The vulnerability exits due to the affected software does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the software. A remote attacker can send a specially crafted Modbus frame to the affected device and cause a denial of service condition.
Remediation
Install updates from vendor's website.