CVE-2021-22943

Severity: critical (CVSS 9.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-08-31 · updated 2026-06-17
Weakness: CWE-287

Description

A vulnerability found in UniFi Protect application V1.18.1 and earlier permits a malicious actor who has already gained access to a network to subsequently control the Protect camera(s) assigned to said network. This vulnerability is fixed in UniFi Protect application V1.19.0 and later.

Affected products

Ubiquiti Inc UniFi Protect Application: before 1.19.0 — fixed in 1.19.0

How to fix

Upgrade to a fixed version: Ubiquiti Inc UniFi Protect Application 1.19.0. Check the vendor advisory for mitigations.

References

https://community.ui.com/releases/Security-Advisory-Bulletin-019-019/90a00abe-d6b6-43c6-92d4-0a0342f1506f
https://community.ui.com/releases/Security-Advisory-Bulletin-019-019/90a00abe-d6b6-43c6-92d4-0a0342f1506f

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