CVE-2023-5347

critical

Description

An Improper Verification of Cryptographic Signature vulnerability in the update process of Korenix JetNet Series allows replacing the whole operating system including Trusted Executables. This issue affects JetNet devices older than firmware version 2024/01.

References

https://www.beijerelectronics.com/en/support/Help___online?docId=69947

https://cyberdanube.com/en/en-multiple-vulnerabilities-in-korenix-jetnet-series/

http://seclists.org/fulldisclosure/2024/Jan/11

http://packetstormsecurity.com/files/176550/Korenix-JetNet-Series-Unauthenticated-Access.html

Details

Source: Mitre, NVD

Published: 2024-01-09

Updated: 2025-10-08

Risk Information

CVSS v2

Base Score: 9.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:C/A:C

Severity: High

CVSS v3

Base Score: 9.1

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

Severity: Critical

EPSS

EPSS: 0.01071