What is CVE-2018-5400?

CVE-2018-5400 is a critical-severity vulnerability in Arm Arm7, classified under Origin Validation Error. CVSS score: 9.1/10. Published 2018-10-08.

How severe is CVE-2018-5400?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Arm Arm7

CVE-2018-5400

The Auto-Maskin products utilize an undocumented custom protocol to set up Modbus communications with other devices without validating those devices. The originating device sends a message in plaintext, 48:65:6c:6c:6f:20:57:6f:72:6c:64, "H…

EPSS: 0.007 (50.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Arm Arm7
Auto-maskin Dcu-210e — versions 3.7
Auto-maskin Dcu_210e
Auto-maskin Dcu_210e_firmware
Auto-maskin Marine Pro Observer Android App — versions 0.1
Auto-maskin Rp-210e — versions 3.7
Auto-maskin Rp_210e
Auto-maskin Rp_210e_firmware

Weakness classification (CWE)

CWE-346 — Origin Validation Error

References

cret@cert.org (US Government Resource, x_refsource_CERT-VN, Third Party Advisory, third-party-advisory)
cret@cert.org (x_refsource_MISC)

Frequently asked questions

What is CVE-2018-5400?: CVE-2018-5400 is a critical-severity vulnerability in Arm Arm7, classified under Origin Validation Error. CVSS score: 9.1/10. Published 2018-10-08.
How severe is CVE-2018-5400?: Critical severity. CVSS v3 base score is 9.1 out of 10.