TI-2021-05804 Aliases CVE-2021-22943 GHSA-fr4r-3v2c-wv3m

Improper authentication in UniFi Protect application

MEDIUM 41CWE-287Published 2021-08-31 · Updated 2024-08-03

Key facts

Attack vector: Adjacent network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.

Summary

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.

Why it matters now

EPSS 0.00411 35th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	UniFi Protect application	Fixed on 1.19.0	—	No fix listed	CNA

UniFi Protect application Vendor— Affected Fixed on 1.19.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:ui:unifi_protect::::::::	before 1.19.0	Vulnerable	Ubiquiti

cpe:2.3:a:ui:unifi_protect:*:*:*:*:*:*:*:* Versions before 1.19.0 Vulnerable ·Ubiquiti

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-22943
2026-10-03 Alias added: GHSA-fr4r-3v2c-wv3m

References

Advisory 1

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

TI-2026-39284 Improper access control in Ubiquiti UniFi Protect Application CVSS 3.1CRITICAL 9.8
TI-2026-39283 Improper access control in Ubiquiti UniFi Protect Application CVSS 3.1HIGH 8.6
TI-2026-39813 Server-side request forgery in Ubiquiti UniFi Protect Application CVSS 3.1CRITICAL 9.9
TI-2026-40983 SQL injection in Ubiquiti UniFi Protect Application CVSS 3.1HIGH 8.8
TI-2026-17425 Improper authentication in Ubiquiti UniFi Protect Application CVSS 3.1HIGH 8.8
TI-2021-05818 A Cross-Origin Resource Sharing (CORS) vulnerability found in UniFi Protect application… CVSS 3.1HIGH 8.8

See all 10 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences