CVE-2018-7847

moderate-risk
Published 2019-05-22

A CWE-284: Improper Access Control vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause denial of service or potential code execution by overwriting configuration settings of the controller over Modbus.

Do I need to act?

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0.94% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (4)

Affected Vendors

Schneider-Electric

References (6)

Vendor Advisory https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/
Exploit https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0742
Third Party Advisory https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0743
Vendor Advisory https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/
Exploit https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0742
Third Party Advisory https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0743
45
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 3/34 · Minimal
Exposure 10/34 · Low