No exploitation reported

CVE-2018-5461

No exploitation reported by the sources we read.

Published2018-03-06
WeaknessCWE-326

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An Inadequate Encryption Strength issue was discovered in Belden Hirschmann RS, RSR, RSB, MACH100, MACH1000, MACH4000, MS, and OCTOPUS Classic Platform Switches. An inadequate encryption strength vulnerability in the web interface has been identified, which may allow an attacker to obtain sensitive information through a successful man-in-the-middle attack.

Timeline

dates in UTC

2018-03-0621:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-5461?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-5461?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Belden hirschmann m1-8mm-sc

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

Belden hirschmann m1-8sfp

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

Belden hirschmann m1-8sm-sc

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

131 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

ICSA-18-065-01 CISA8 known affected
Hirschmann Automation and Control GmbH Classic Platform Switches
Classic Platform Switches RSB: all versions · Classic Platform Switches OCTOPUS: all versions · Classic Platform Switches RS: all versions · +5 more

Full record on NVD

Fix

Mitigation from the vendor CISA ICSA-18-065-01 · 8 productsDisable HTTP for remote management access.
Mitigation from the vendor CISA ICSA-18-065-01 · 8 productsUse the secure HTTPS or SSH protocols for remote management access.
Mitigation from the vendor CISA ICSA-18-065-01 · 8 productsUse of complex user passwords.
Mitigation from the vendor CISA ICSA-18-065-01 · 8 productsUse the “Restricted Management Access” feature to restrict access to known IP addresses.
Mitigation from the vendor CISA ICSA-18-065-01 · 8 productsDisable remote management access when not in use.

Advisories and patches

ics-cert.us-cert.govMitigation

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.06.5read 2026-10-23
NVDCVSS 2.05.8read 2026-10-23
CNAweakness (CWE)CWE-326read 2026-10-23
NVDweakness (CWE)CWE-326read 2026-10-23
FIRST EPSSEPSS score0.4 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
Published: 2018-03-06
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2018-5461?

Is CVE-2018-5461 actively exploited?

Active exploitation of CVE-2018-5461 has not been confirmed. Its EPSS score was 0.4% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-5461?

CVE-2018-5461 has a CVSS v3 base score of 6.5 (MEDIUM severity), with vector string CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N.

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