CVE-2023-5376 TFTP Without Authentication
Attackers can access the TFTP service without authentication to read or modify files on Korenix JetNet devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-5376?
CVE-2023-5376 is a high-severity missing authorization vulnerability in Korenix JetNet Series, published on 9 Jan 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An Improper Authentication vulnerability in Korenix JetNet TFTP allows abuse of this service. This issue affects JetNet devices older than firmware version 2024/01.
Which versions are affected by CVE-2023-5376?
It affects 42 products.
Products include Korenix Jetnet 4508-W Firmware, Korenix Jetnet 4508 Firmware, Korenix Jetnet 4508f-M Firmware, Korenix Jetnet 4508f-Mw Firmware, Korenix Jetnet 4508f-S Firmware, Korenix Jetnet 4508f-Sw Firmware and 36 more.
How do I fix CVE-2023-5376?
No fix has been published for CVE-2023-5376 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2023-5376 being exploited?
There is no known exploitation of CVE-2023-5376 in the wild and no public exploit code.
Other vulnerabilities in Korenix JetNet Series
Sources
Also known as GHSA-4f22-7h3g-c989.