Schneider-Electric: >> Ecostruxure Control Expert Security Vulnerabilities
A CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability exists in PLC Simulator on EcoStruxureª Control Expert (now Unity Pro) (all versions) that could cause a crash of the PLC simulator present in EcoStruxureª Control Expert software when receiving a specially crafted request over Modbus.
CVSS Score
7.5
EPSS Score
0.005
Published
2020-11-19
A CWE-863: Incorrect Authorization vulnerability exists in PLC Simulator on EcoStruxureª Control Expert (now Unity Pro) (all versions) that could cause bypass of authentication when overwriting memory using a debugger.
CVSS Score
7.8
EPSS Score
0.001
Published
2020-11-19
A CWE-307: Improper Restriction of Excessive Authentication Attempts vulnerability exists in PLC Simulator on EcoStruxureª Control Expert (now Unity Pro) (all versions) that could cause unauthorized command execution when a brute force attack is done over Modbus.
CVSS Score
9.8
EPSS Score
0.014
Published
2020-11-19
A CWE-494: Download of Code Without Integrity Check vulnerability exists in PLC Simulator on EcoStruxureª Control Expert (now Unity Pro) (all versions) that could cause unauthorized command execution when sending specially crafted requests over Modbus.
CVSS Score
8.8
EPSS Score
0.003
Published
2020-11-19
A CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection'), reflective DLL, vulnerability exists in EcoStruxure Control Expert (all versions prior to 14.1 Hot Fix), Unity Pro (all versions), Modicon M340 (all versions prior to V3.20), Modicon M580 (all versions prior to V3.10), which, if exploited, could allow attackers to transfer malicious code to the controller.
CVSS Score
9.8
EPSS Score
0.006
Published
2020-03-23
Incorrect Authorization vulnerability exists in EcoStruxure Control Expert (all versions prior to 14.1 Hot Fix), Unity Pro (all versions), Modicon M340 (all versions prior to V3.20) , and Modicon M580 (all versions prior to V3.10), which could cause a bypass of the authentication process between EcoStruxure Control Expert and the M340 and M580 controllers.
CVSS Score
7.3
EPSS Score
0.002
Published
2020-01-06
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