CVE-2018-7846
high-risk
Published 2019-05-22
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.
Do I need to act?
!
43.3% chance of exploitation in next 30 days
EPSS score — higher than 57% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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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
References (4)
59
/ 100
high-risk
Severity
32/34 · Critical
Exploitability
17/34 · Moderate
Exposure
10/34 · Low