CVE-2020-7559

EPSS 1.9%CWE-120

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 1.9%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

19 Nov 2020Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

Affected products

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

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References

https://www.se.com/ww/en/download/document/SEVD-2020-315-07 https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1140