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TI-2017-14298 Aliases CVE-2017-20234GHSA-vrjf-6q9f-r3qr

GarrettCom Magnum 6K and 10K Authentication Bypass via Hardcoded String

Priority MEDIUM 49CWE-798Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-798.

Summary

GarrettCom Magnum 6K and 10K managed switches contain an authentication bypass vulnerability that allows unauthenticated attackers to gain unauthorized access by exploiting a hardcoded string in the authentication mechanism. Attackers can bypass login controls to access administrative functions and sensitive switch configuration without valid credentials.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00473 41st percentileScored 2026-11-07
Fix Fixed GarrettCom Magnum 6K and 10K Managed Switches (Belden): 4.7.7

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
BeldenGarrettCom Magnum 6K and 10K Managed Switchesup to 4.6.0; up to 4.7.64.7.7Patch availableCNA
  • GarrettCom Magnum 6K and 10K Managed Switches VendorBelden Affected up to 4.6.0; up to 4.7.6 Fixed in 4.7.7 Patch available CNA

Remediation

  • Fix · CNA GarrettCom Magnum 6K and 10K Managed Switches (Belden) Fixed in 4.7.7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-20234
  2. 2026-10-03 Alias added: GHSA-vrjf-6q9f-r3qr

References

  • TI-2019-09143 Wind River VxWorks has a Buffer Overflow in the TCP component (issue 1 of 4). CVSS 3.1CRITICAL 9.8
  • TI-2019-09145 Wind River VxWorks 6.6 through 6.9 has a Buffer Overflow in the DHCP client component. CVSS 3.1HIGH 8.8
  • TI-2022-19123 The web server of Hirschmann BAT-C2 before 09.13.01.00R04 allows authenticated command… CVSS 3.1HIGH 8.8
  • TI-2019-09144 Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the IPv4 component. CVSS 3.1CRITICAL 9.8
  • TI-2019-09148 Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the TCP component (issue 2 of 4). CVSS 3.1CRITICAL 9.8
  • TI-2025-43113 A stored cross-site scripting (XSS) vulnerability exists in the web management interface… CVSS 3.1MEDIUM 6.1
See all 49 →

Sources