What is CVE-2022-31481?

CVE-2022-31481 is a critical-severity vulnerability in Carrier Lenels2_lnl-4420, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 10.0/10. Published 2022-06-06.

How severe is CVE-2022-31481?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Buffer overflow in Carrier Lenels2_lnl-4420

CVE-2022-31481

An unauthenticated attacker can send a specially crafted update file to the device that can overflow a buffer. This vulnerability impacts products based on HID Mercury Intelligent Controllers LP1501, LP1502, LP2500, LP4502, and EP4502 whic…

Vulnerability class: Buffer Overflow

EPSS: 0.015 (70.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

productsecurity@carrier.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2022-31481?: CVE-2022-31481 is a critical-severity vulnerability in Carrier Lenels2_lnl-4420, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 10.0/10. Published 2022-06-06.
How severe is CVE-2022-31481?: Critical severity. CVSS v3 base score is 10.0 out of 10.