CVE-2023-35697 Auth bypass in ICR890-4

Medium 5.3 Published 10 Jul 2023 Updated 1 Jun 2026

Remote attackers can brute-force user credentials due to missing rate limiting on authentication attempts in the SICK ICR890-4 device.

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-2023-35697?

CVE-2023-35697 is a medium-severity authentication bypass vulnerability in SICK AG ICR890-4, published on 10 Jul 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Improper Restriction of Excessive Authentication Attempts in the SICK ICR890-4 could allow a remote attacker to brute-force user credentials.

Weakness: CWE-307

Which versions are affected by CVE-2023-35697?

It affects 1 product.

Products include Sick Icr890-4 Firmware.

How do I fix CVE-2023-35697?

No fix has been published for CVE-2023-35697 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-2023-35697 being exploited?

There is no known exploitation of CVE-2023-35697 in the wild and no public exploit code.

Sources

Also known as GHSA-r73w-7gww-pr94.