How severe is CVE-2018-5469?

CVE-2018-5469 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-5469 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-5469?

CVE-2018-5469 primarily affects Belden Hirschmann Rs20-0900mmm2tdau. In total, 134 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-5469?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2018-5469 published?

CVE-2018-5469 was published on 2018-03-06 and last updated on 2026-06-17.

CVE-2018-5469

CVE-2018-5469 is a critical-severity vulnerability in Belden Hirschmann Rs20-0900mmm2tdau with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-307.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-307
Affected product: Belden Hirschmann Rs20-0900mmm2tdau
Published: 2018-03-06
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2018-5469?: 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.
How severe is CVE-2018-5469?: CVE-2018-5469 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-5469 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-5469?: CVE-2018-5469 primarily affects Belden Hirschmann Rs20-0900mmm2tdau. In total, 134 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-5469?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-5469 published?: CVE-2018-5469 was published on 2018-03-06 and last updated on 2026-06-17.

References

Affected products (134)

cpe:2.3:h:belden:hirschmann_rs20-0900mmm2tdau:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rs20-0900nnm4tdau:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rs20-0900vvm2tdau:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rs20-1600l2l2sdau:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rs20-1600l2m2sdau:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rs20-1600l2s2sdau:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rs20-1600l2t1sdau:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rs20-1600m2m2sdau:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rs20-1600m2t1sdau:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rs20-1600s2m2sdau:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rs20-1600s2s2sdau:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rs20-1600s2t1sdau:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsr20:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsr30:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0800m2m2saab:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0800m2m2saabe:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0800m2m2taab:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0800m2m2taabe:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0800s2s2saab:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0800s2s2saabe:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0800s2s2taab:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0800s2s2taabe:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0800t1t1saab:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0800t1t1saabe:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0800t1t1taab:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0800t1t1taabe:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0900m2ttsaab:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0900m2ttsaabe:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0900m2tttaab:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0900m2tttaabe:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0900mmm2saab:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0900mmm2saabe:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0900mmm2taab:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0900mmm2taabe:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0900s2ttsaab:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0900s2ttsaabe:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0900s2tttaab:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0900s2tttaabe:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0900vvm2saab:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0900vvm2saabe:-:*:*:*:*:*:*:*

More vulnerabilities in Belden Hirschmann Rs20-0900mmm2tdau

CVE-2018-5465 — High (CVSS 8.8): A Session Fixation issue was discovered in Belden Hirschmann RS, RSR, RSB, MACH100, MACH1000, MACH4000, MS, and OCTOPUS…
CVE-2018-5467 — Medium (CVSS 6.5): An Information Exposure Through Query Strings in GET Request issue was discovered in Belden Hirschmann RS, RSR, RSB,…
CVE-2018-5461 — Medium (CVSS 6.5): An Inadequate Encryption Strength issue was discovered in Belden Hirschmann RS, RSR, RSB, MACH100, MACH1000, MACH4000,…
CVE-2018-5471 — Medium (CVSS 5.9): A Cleartext Transmission of Sensitive Information issue was discovered in Belden Hirschmann RS, RSR, RSB, MACH100,…

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