CVE-2022-31485 Unauthenticated homepage note modification

What is CVE-2022-31485?

CVE-2022-31485 is a medium-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 can send a specially crafted packets to update the “notes” section of the home page of the web interface. This vulnerability impacts products based on HID Mercury Intelligent Controllers LP1501, LP1502, LP2500, LP4502, and EP4502 which contain firmware versions prior to 1.29.

Weakness: CWE-425

Which versions are affected by CVE-2022-31485?

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-2022-31485?

No fix has been published for CVE-2022-31485 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-2022-31485 being exploited?

There is no known exploitation of CVE-2022-31485 in the wild and no public exploit code.

Other vulnerabilities in HID Mercury EP4502

• CVE-2022-31481 Remote Code Execution via buffer overflow in firmware update process Critical 10.0
• CVE-2022-31479 Remote Code Execution via command injection of the hostname Critical 9.6
• CVE-2022-31483 Arbitrary file write via authenticated OSDP file upload Critical 9.1
• CVE-2022-31486 Command injection via Advanced Networking route add functionality High 8.8
• CVE-2022-31480 Unauthenticated Firmware Upload and Arbitrary Reboot High 7.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-f4gf-wv2j-p66r.