Skip to content
Noroxi
CVE-2018-5469· NVD / CVE Program· CNA icscert

An Improper Restriction of Excessive Authentication Attempts issue was discovered in Belden Hirschmann RS, RSR, RSB, MACH100, MACH1000, MACH

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.

CriticalCVSS 9.8 · v3.0—No exploit No fix recorded
Published
Mar 6, 2018
Updated
Jun 16, 2026
EPSS
2.8% · 86th percentile
Follow this CVE

Sign in to follow · You’ll be notified if a followed record enters KEV, gets an exploit or is updated.

Report tools

JSON

Action score

40

Plan

Add it to your regular patch cycle.

CVSS
39 / 40 · 9.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 2.8%

Affected systems

VendorProduct
beldenhirschmann rs20-0900mmm2tdau
beldenhirschmann rs20-0900nnm4tdau
beldenhirschmann rs20-0900vvm2tdau
beldenhirschmann rs20-1600l2l2sdau
beldenhirschmann rs20-1600l2m2sdau
beldenhirschmann rs20-1600l2s2sdau
beldenhirschmann rs20-1600l2t1sdau
beldenhirschmann rs20-1600m2m2sdau
beldenhirschmann rs20-1600m2t1sdau
beldenhirschmann rs20-1600s2m2sdau
beldenhirschmann rs20-1600s2s2sdau
beldenhirschmann rs20-1600s2t1sdau

and 122 more

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • belden hirschmann m1-8mm-scall versions
  • belden hirschmann m1-8sfpall versions
  • belden hirschmann m1-8sm-scall versions
  • belden hirschmann m1-8tp-rj45all versions
  • belden hirschmann mach102-24tp-fall versions
  • belden hirschmann mach102-24tp-frall versions
  • belden hirschmann mach102-8tpall versions
  • belden hirschmann mach102-8tp-fall versions
  • belden hirschmann mach102-8tp-frall versions
  • belden hirschmann mach102-8tp-rall versions
  • belden hirschmann mach104-16tx-poepall versions
  • belden hirschmann mach104-16tx-poep -eall versions
  • belden hirschmann mach104-16tx-poep -e-l3pall versions
  • belden hirschmann mach104-16tx-poep -rall versions
  • belden hirschmann mach104-16tx-poep -r-l3pall versions
  • belden hirschmann mach104-16tx-poep +2xall versions
  • belden hirschmann mach104-16tx-poep +2x -eall versions
  • belden hirschmann mach104-16tx-poep +2x -e-l3pall versions
  • belden hirschmann mach104-16tx-poep +2x -rall versions
  • belden hirschmann mach104-16tx-poep +2x -r-l3pall versions

Versions reported by the vendor

Affected version ranges reported by the assigning authority (icscert). Independent of NVD's CPE analysis and usually ahead of it.

  • n/a Hirschmann Automation and Control GmbH Classic Platform Switches

    • Hirschmann Automation and Control GmbH Classic Platform Switchesaffected

Same product

belden: all records

Other highest-scoring records for the same primary product.

  • CVE-2018-5465A Session Fixation issue was discovered in Belden Hirschmann RS, RSR, RSB, MACH100, MACH1000, MACH4000, MS, and OCTOPUS Classic Platform Swi
    36Monitor
  • CVE-2018-5467An Information Exposure Through Query Strings in GET Request issue was discovered in Belden Hirschmann RS, RSR, RSB, MACH100, MACH1000, MACH
    26Monitor
  • CVE-2018-5461An Inadequate Encryption Strength issue was discovered in Belden Hirschmann RS, RSR, RSB, MACH100, MACH1000, MACH4000, MS, and OCTOPUS Class
    26Monitor
  • CVE-2018-5471A Cleartext Transmission of Sensitive Information issue was discovered in Belden Hirschmann RS, RSR, RSB, MACH100, MACH1000, MACH4000, MS, a
    23Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-307 · Improper Restriction of Excessive Authentication Attempts

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records