CVE-2022-2302 LENZE: Missing password verification in authorisation procedure

Critical 9.8 Published Updated

Remote attackers can gain full access to Lenze cabinet devices without a password after an initial login, requiring vendor patches.

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-2022-2302?

CVE-2022-2302 is a critical authentication bypass vulnerability in LENZE cabinet c520, published on 11 Jul 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Multiple Lenze products of the cabinet series skip the password verification upon second login. After a user has been logged on to the device once, a remote attacker can get full access without knowledge of the password.

Weakness: CWE-287, CWE-304

Which versions are affected by CVE-2022-2302?

It affects 3 products.

Products include Lenze C520 Firmware, Lenze C550 Firmware, Lenze C750 Firmware.

How do I fix CVE-2022-2302?

No fix has been published for CVE-2022-2302 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2022-2302 being exploited?

There is no known exploitation of CVE-2022-2302 in the wild and no public exploit code.

Sources

Also known as GHSA-78pc-4xg6-x467.

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