CVE-2023-5376: TFTP Without Authentication

Published Jan 9, 2024
·
Updated

An Improper Authentication vulnerability in Korenix JetNet TFTP allows abuse of this service. This issue affects JetNet devices older than firmware version 2024/01.

Affected Software

88 affected components
All of the following
Korenix Jetnet 5310g Firmware=2.6
Korenix Jetnet 5310g
All of the following
Korenix Jetnet 4508 Firmware=2.3
Korenix Jetnet 4508
All of the following
Korenix Jetnet 4508i-w Firmware=1.3
Korenix Jetnet 4508i-w
All of the following
Korenix Jetnet 4508-w Firmware=2.3
Korenix Jetnet 4508-w
All of the following
Korenix Jetnet 4508if-s Firmware=1.3
Korenix Jetnet 4508if-s
All of the following
Korenix Jetnet 4508if-m Firmware=1.3
Korenix Jetnet 4508if-m
All of the following
Korenix Jetnet 4508if-sw Firmware=1.3
Korenix Jetnet 4508if-sw
All of the following
Korenix Jetnet 4508if-mw Firmware=1.3
Korenix Jetnet 4508if-mw
All of the following
Korenix Jetnet 4508f-m Firmware=2.3
Korenix Jetnet 4508f-m
All of the following
Korenix Jetnet 4508f-s Firmware=2.3
Korenix Jetnet 4508f-s
All of the following
Korenix Jetnet 4508f-mw Firmware=2.3
Korenix Jetnet 4508f-mw
All of the following
Korenix Jetnet 4508f-sw Firmware=2.3
Korenix Jetnet 4508f-sw
All of the following
Korenix Jetnet 5620g-4c Firmware=1.1
Korenix Jetnet 5620g-4c
All of the following
Korenix Jetnet 5612gp-4f Firmware=1.2
Korenix Jetnet 5612gp-4f
All of the following
Korenix Jetnet 5612g-4f Firmware=1.2
Korenix Jetnet 5612g-4f
All of the following
Korenix Jetnet 5728g-24p-ac-2dc-us Firmware=2.1
Korenix Jetnet 5728g-24p-ac-2dc-us
All of the following
Korenix Jetnet 5728g-24p-ac-2dc-eu Firmware=2.1
Korenix Jetnet 5728g-24p-ac-2dc-eu
All of the following
Korenix Jetnet 6528gf-2ac-eu Firmware=1.0
Korenix Jetnet 6528gf-2ac-eu
All of the following
Korenix Jetnet 6528gf-2ac-us Firmware=1.0
Korenix Jetnet 6528gf-2ac-us
All of the following
Korenix Jetnet 6528gf-2dc24 Firmware=1.0
Korenix Jetnet 6528gf-2dc24
All of the following
Korenix Jetnet 6528gf-2dc48 Firmware=1.0
Korenix Jetnet 6528gf-2dc48
All of the following
Korenix Jetnet 6528gf-ac-eu Firmware=1.0
Korenix Jetnet 6528gf-ac-eu
All of the following
Korenix Jetnet 6528gf-ac-us Firmware=1.0
Korenix Jetnet 6528gf-ac-us
All of the following
Korenix Jetnet 6628xp-4f-us Firmware=1.1
Korenix Jetnet 6628xp-4f-us
All of the following
Korenix Jetnet 6628x-4f-eu Firmware=1.0
Korenix Jetnet 6628x-4f-eu
All of the following
Korenix Jetnet 6728g-24p-ac-2dc-us Firmware=1.1
Korenix Jetnet 6728g-24p-ac-2dc-us
All of the following
Korenix Jetnet 6728g-24p-ac-2dc-eu Firmware=1.1
Korenix Jetnet 6728g-24p-ac-2dc-eu
All of the following
Korenix Jetnet 6828gf-2dc48 Firmware=1.0
Korenix Jetnet 6828gf-2dc48
All of the following
Korenix Jetnet 6828gf-2dc24 Firmware=1.0
Korenix Jetnet 6828gf-2dc24
All of the following
Korenix Jetnet 6828gf-ac-dc24-us Firmware=1.0
Korenix Jetnet 6828gf-ac-dc24-us
All of the following
Korenix Jetnet 6828gf-2ac-us Firmware=1.0
Korenix Jetnet 6828gf-2ac-us
All of the following
Korenix Jetnet 6828gf-ac-us Firmware=1.0
Korenix Jetnet 6828gf-ac-us
All of the following
Korenix Jetnet 6828gf-2ac-au Firmware=1.0
Korenix Jetnet 6828gf-2ac-au
All of the following
Korenix Jetnet 6828gf-ac-dc24-eu Firmware=1.0
Korenix Jetnet 6828gf-ac-dc24-eu
All of the following
Korenix Jetnet 6828gf-2ac-eu Firmware=1.0
Korenix Jetnet 6828gf-2ac-eu
All of the following
Korenix Jetnet 6910g-m12 Hvdc Firmware=1.0
Korenix Jetnet 6910g-m12 Hvdc
All of the following
Korenix Jetnet 7310g-v2 Firmware=1.0
Korenix Jetnet 7310g-v2
All of the following
Korenix Jetnet 7628xp-4f-us Firmware=1.0
Korenix Jetnet 7628xp-4f-us
All of the following
Korenix Jetnet 7628xp-4f-us Firmware=1.1
Korenix Jetnet 7628xp-4f-us
All of the following
Korenix Jetnet 7628xp-4f-eu Firmware=1.0
Korenix Jetnet 7628xp-4f-eu
All of the following
Korenix Jetnet 7628xp-4f-eu Firmware=1.1
Korenix Jetnet 7628xp-4f-eu
All of the following
Korenix Jetnet 7628x-4f-us Firmware=1.0
Korenix Jetnet 7628x-4f-us
All of the following
Korenix Jetnet 7628x-4f-eu Firmware=1.0
Korenix Jetnet 7628x-4f-eu
All of the following
Korenix Jetnet 7714g-m12 Hvdc Firmware=1.0
Korenix Jetnet 7714g-m12 Hvdc

Event History

Jan 9, 2024
CVE Published
via MITRE·09:44 AM
Data Sourced
via MITRE·09:44 AM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2023-5376?

CVE-2023-5376 presents a critical security risk due to its improper authentication vulnerability in Korenix JetNet TFTP services.

2

How do I fix CVE-2023-5376?

To fix CVE-2023-5376, update the firmware of vulnerable JetNet devices to versions released after January 2024.

3

Which devices are affected by CVE-2023-5376?

CVE-2023-5376 affects Korenix JetNet devices with firmware versions prior to 2024/01.

4

What type of vulnerability is CVE-2023-5376?

CVE-2023-5376 is classified as an improper authentication vulnerability.

5

How can I check if my Korenix JetNet device is vulnerable to CVE-2023-5376?

Check the firmware version of your Korenix JetNet device to see if it is older than January 2024 to determine vulnerability for CVE-2023-5376.

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