CVE-2023-23571 Denial of service in UR32L

High 7.5 Published Updated

A specially crafted network request can cause an access violation in Milesight UR32L devices, leading to denial of service.

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-2023-23571?

CVE-2023-23571 is a high-severity denial of service vulnerability in Milesight Ur32l Firmware, published on 6 Jul 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An access violation vulnerability exists in the eventcore functionality of Milesight UR32L v32.3.0.5. A specially crafted network request can lead to denial of service. An attacker can send a network request to trigger this vulnerability.

Weakness: CWE-126

Which versions are affected by CVE-2023-23571?

It affects 1 product.

Products include Milesight Ur32l Firmware.

How do I fix CVE-2023-23571?

No fix has been published for CVE-2023-23571 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-2023-23571 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-23571 exists.

All Milesight Ur32l Firmware vulnerabilities

Sources

Also known as GHSA-hcp4-644r-q8xr.

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