CVE-2022-31480 Unauthenticated Firmware Upload and Arbitrary Reboot

High 7.5 Published 6 Jun 2022 Updated 17 Sep 2024

Unauthenticated attackers can upload signed firmware to HID Mercury controllers, triggering a reboot and causing 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-2022-31480?

CVE-2022-31480 is a high-severity missing authorization vulnerability in HID Mercury EP4502, published on 6 Jun 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An unauthenticated attacker could arbitrarily upload firmware files to the target device, ultimately causing a Denial-of-Service (DoS). This vulnerability impacts products based on HID Mercury Intelligent Controllers LP1501, LP1502, LP2500, LP4502, and EP4502 which contain firmware versions prior to 1.302 for the LP series and 1.296 for the EP series. The attacker needs to have a properly signed and encrypted binary, loading the firmware to the device ultimately triggers a reboot.

Weakness: CWE-425

Which versions are affected by CVE-2022-31480?

It affects 14 products.

Products include Carrier Lenels2 Lnl-4420 Firmware, Carrier Lenels2 Lnl-X2210 Firmware, Carrier Lenels2 Lnl-X2220 Firmware, Carrier Lenels2 Lnl-X3300 Firmware, Carrier Lenels2 Lnl-X4420 Firmware, Carrier Lenels2 S2-Lp-1501 Firmware and 8 more.

How do I fix CVE-2022-31480?

No fix has been published for CVE-2022-31480 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-2022-31480 being exploited?

There is no known exploitation of CVE-2022-31480 in the wild and no public exploit code.

Sources

Also known as GHSA-7qcj-vcxv-7c7p.