CVE-2024-6422 Pepperl+Fuchs: OIT Products can be manipulated via unintended Telnet access

Critical 9.8 Published Updated

Unauthenticated attackers can manipulate Pepperl+Fuchs OIT devices via Telnet to read, modify, or delete data and stop processes.

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-2024-6422?

CVE-2024-6422 is a critical missing authorization vulnerability in Pepperl+Fuchs OIT1500-F113-B12-CB, published on 10 Jul 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An unauthenticated remote attacker can manipulate the device via Telnet, stop processes, read, delete and change data.

Weakness: CWE-306

Which versions are affected by CVE-2024-6422?

It affects 4 products.

Products include Pepperl-Fuchs Oit1500-F113-B12-Cb Firmware, Pepperl-Fuchs Oit200-F113-B12-Cb Firmware, Pepperl-Fuchs Oit500-F113-B12-Cb Firmware, Pepperl-Fuchs Oit700-F113-B12-Cb Firmware.

How do I fix CVE-2024-6422?

No fix has been published for CVE-2024-6422 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-2024-6422 being exploited?

There is no known exploitation of CVE-2024-6422 in the wild and no public exploit code.

Sources

Also known as GHSA-fc3j-5g75-8c22.

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