Buffer overflow in Ui Ua Lite

CVE-2022-22570

A buffer overflow vulnerability found in the UniFi Door Access Reader Lite’s (UA Lite) firmware (Version 3.8.28.24 and earlier) allows a malicious actor who has gained access to a network to control all connected UA devices. This vulnerability is fixed in Version 3.8.31.13 and later.

Vulnerability class: Buffer Overflow

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.011 (63.4th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 63.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-22570: held from 0.011 to 0.011.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-22570?
CVE-2022-22570 is a critical-severity vulnerability in Ui Ua Lite, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 10.0/10. Published 2022-04-01.
How severe is CVE-2022-22570?
Critical severity. CVSS v3 base score is 10.0 out of 10.