Improper Check for Unusual or Exceptional Conditions in Schneider Electric products - CVE-2020-7538
Published: November 11, 2020
Vulnerability identifier: #VU48363
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-2020-7538
CWE-ID: CWE-754
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation. A remote attacker can send a specially crafted request over Modbus and cause denial of service condition.
Affected software
PLC Simulator for EcoStruxure Control Expert
PLC Simulator for Unity Pro
EcoStruxure Control Expert
PLC Simulator for Unity Pro
EcoStruxure Control Expert
How to mitigate CVE-2020-7538
Install updates from vendor's website.
EcoStruxure Control Expert - update to 15.0