CVE-2018-5469

An Improper Restriction of Excessive Authentication Attempts issue was discovered in Belden...

9.8 Critical

An Improper Restriction of Excessive Authentication Attempts issue was discovered in Belden Hirschmann RS, RSR, RSB, MACH100, MACH1000, MACH4000, MS, and OCTOPUS Classic Platform Switches. An improper restriction of excessive authentication vulnerability in the web interface has been identified, which may allow an attacker to brute force authentication.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

2.86%Up 2.2 points since Apr 14, 2021

What each source reports

NVD Score used 9.8

Record: CVE-2018-5469
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-307
Updated: 2026-11-02

CVE List No score

Record: CVE-2018-5469
Weakness: CWE-307
Updated: 2026-11-02

EUVDEUVD-2018-17239 No score

Record: EUVD-2018-17239
Updated: 2026-11-03

GitHub AdvisoriesGHSA-m538-hxpg-3fvh 9.8

An Improper Restriction of Excessive Authentication Attempts issue was discovered in Belden...

Record: GHSA-m538-hxpg-3fvh
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-307
Updated: 2026-11-02

Affected products

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History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-5469 is a critical vulnerability (CVSS 9.8) in Belden Hirschmann M1-8mm-sc, published March 6, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.86%, the 86th percentile. No source names a fixed version.