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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.86%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.86% probability · 87th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-307
- Affected
- belden/hirschmann rs20-0900mmm2tdau · belden/hirschmann rs20-0900nnm4tdau · belden/hirschmann rs20-0900vvm2tdau · belden/hirschmann rs20-1600l2l2sdau · belden/hirschmann rs20-1600l2m2sdau · belden/hirschmann rs20-1600l2s2sdau · belden/hirschmann rs20-1600l2t1sdau · belden/hirschmann rs20-1600m2m2sdau · belden/hirschmann rs20-1600m2t1sdau · belden/hirschmann rs20-1600s2m2sdau · belden/hirschmann rs20-1600s2s2sdau · belden/hirschmann rs20-1600s2t1sdau · belden/hirschmann rsr20 · belden/hirschmann rsr30 · belden/hirschmann rsb20-0800m2m2saab · belden/hirschmann rsb20-0800m2m2saabe · belden/hirschmann rsb20-0800m2m2taab · belden/hirschmann rsb20-0800m2m2taabe · belden/hirschmann rsb20-0800s2s2saab · belden/hirschmann rsb20-0800s2s2saabe · +40 more
- Source
- ics-cert@hq.dhs.gov
EPSS 2.9% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/103340Third Party Advisory, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-18-065-01Mitigation, Third Party Advisory, US Government Resource
- http://www.securityfocus.com/bid/103340Third Party Advisory, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-18-065-01Mitigation, Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.