CVE-2018-7846

A CWE-501: Trust Boundary Violation vulnerability on connection to the Controller exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum and Modicon Premium which could cause unauthorized access by conducting a brute force attack on Modbus protocol to the controller.

CVSS v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

5.0 MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N

EPSS

29.58% chance of exploitation in the next 30 days, 98th percentile

Published

2019-05-22

Updated

2024-08-05

Proof-of-concept exploits (2)

• https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0735
• yanissec/CVE-2018-78460★ · 2023-10-25

References

• CVE Record
• NVD entry

Related

• CVE-2018-7842
• CVE-2018-7843
• CVE-2018-7844
• CVE-2018-7845
• CVE-2018-7848
• CVE-2018-7849