Improper access control in JGS516PE and GS116Ev2 - CVE-2020-35220
Published: March 11, 2021 / Updated: March 11, 2021
Vulnerability identifier: #VU51393
CSH Severity: Medium
CVSS v4: 7.2 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-35220
CWE-ID: CWE-284
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions in the TFTP server. A remote attacker on the local network can bypass implemented security restrictions and update the switch firmware.
Affected software
JGS516PE
GS116Ev2
GS116Ev2
How to mitigate CVE-2020-35220
Install update from vendor's website.
JGS516PE - update to 2.6.0.48
GS116Ev2 - update to 2.6.0.48
GS116Ev2 - update to 2.6.0.48