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Vulnerability · Published Nov 19, 2020 · Assigned by schneider

CVE-2020-7538

High 7.5

In plain English

A high-severity security flaw in PLC Simulator on EcoStruxureª Control Expert (now Unity Pro) (all versions). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 70% of all known vulnerabilities).

Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.3%top 29.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A CWE-754: Improper Check for Unusual or Exceptional Conditions 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.

Affected products (as reported)

VendorProductVersions
n/a PLC Simulator on EcoStruxureª Control Expert (now Unity Pro) (all versions) PLC Simulator on EcoStruxureª Control Expert (now Unity Pro) (all versions)

Weakness: CWE-754

References