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CVE-2021-22943

A vulnerability found in UniFi Protect application V1.18.1 and earlier permits a malicious actor...

9.6 Critical

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.

Attack profile

How easy it is to exploit

Attack vector
Adjacent network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.41%Unchanged since Sep 1, 2021
90%50%10%1%

What each source reports

NVD Score used 9.6

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.

Record
CVE-2021-22943
CVSS 3.1
9.6 CriticalCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS 2.0
8.3 HighAV:A/AC:L/Au:N/C:C/I:C/A:C
Weakness
CWE-287
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2021-22943
Weakness
CWE-287
Updated
2026-11-02
EUVDEUVD-2021-10071 No score

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.

Record
EUVD-2021-10071
Updated
2026-11-03
GitHub AdvisoriesGHSA-fr4r-3v2c-wv3m No score

A vulnerability found in UniFi Protect application V1.18.1 and earlier permits a malicious actor...

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.

Record
GHSA-fr4r-3v2c-wv3m
Weakness
CWE-287
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliases, productsEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-22943 is a critical vulnerability (CVSS 9.6) in Ubiquiti Inc Unifi Protect Application, published August 31, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.41%, the 35th percentile. No source names a fixed version.

References

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