CVE-2017-20234 | GarrettCom Magnum 6K and 10K managed switches contain an aut… | CVSS 9.8 CRITICAL

Description

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.

Metadata

CVE ID: CVE-2017-20234
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-04-03 18:00 UTC
Published: 2026-04-03 22:49 UTC
Last updated: 2026-04-06 18:06 UTC
Primary CWE: CWE-798
CWE-798 Use of Hard-coded Credentials
Vendor / Product: Belden / GarrettCom Magnum 6K and 10K Managed Switches
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC — CISA Coordinator

Exploitation: none
Automatable: yes
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
Belden	GarrettCom Magnum 6K and 10K Managed Switches	—	0 ≤ 4.6.0, 0 ≤ 4.7.6, 4.7.7

Weakness (CWE)

CWE	Source	Description
CWE-798	cna	CWE-798 Use of Hard-coded Credentials

CVSS scores (2)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3	CRITICAL	4.0	cna	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

References (2)