CVE-2021-37166 Denial of service in n/a

High 7.5 Published Updated

An attacker can cause a denial of service in Swisslog Healthcare Nexus Panel by hijacking a local TCP service during startup.

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-2021-37166?

CVE-2021-37166 is a high-severity denial of service vulnerability in n/a, published on 2 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A buffer overflow issue leading to denial of service was discovered in HMI3 Control Panel in Swisslog Healthcare Nexus Panel operated by released versions of software before Nexus Software 7.2.5.7. When HMI3 starts up, it binds a local service to a TCP port on all interfaces of the device, and takes extensive time for the GUI to connect to the TCP socket, allowing the connection to be hijacked by an external attacker.

Weakness: CWE-120

Which versions are affected by CVE-2021-37166?

It affects 1 product.

Products include Swisslog-Healthcare Hmi-3 Control Panel Firmware.

How do I fix CVE-2021-37166?

No fix has been published for CVE-2021-37166 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2021-37166 being exploited?

There is no known exploitation of CVE-2021-37166 in the wild and no public exploit code.

Sources

Also known as GHSA-4wc5-93xp-9wmv.

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