TI-2021-05818 Aliases CVE-2021-22957 GHSA-r234-gvxh-m2fv

A Cross-Origin Resource Sharing (CORS) vulnerability found in UniFi Protect application…

MEDIUM 40CWE-16Published 2021-11-24 · Updated 2024-08-03

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

A Cross-Origin Resource Sharing (CORS) vulnerability found in UniFi Protect application Version 1.19.2 and earlier allows a malicious actor who has convinced a privileged user to access a URL with malicious code to take over said user’s account.This vulnerability is fixed in UniFi Protect application Version 1.20.0 and later.

Why it matters now

EPSS 0.00912 60th 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 in 1.20.0	—	No fix listed	CNA

UniFi Protect application Vendor— Affected Fixed in 1.20.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:ui:unifi_protect::::::::	before 1.20.0	Vulnerable	Ubiquiti

cpe:2.3:a:ui:unifi_protect:*:*:*:*:*:*:*:* Versions before 1.20.0 Vulnerable ·Ubiquiti

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-22957
2026-10-03 Alias added: GHSA-r234-gvxh-m2fv

References

Patch 1

https://community.ui.com/releases/Security-Advisory-Bulletin-021-021/62bd8841-6603-4fee-9dba-73037148f173

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-2021-05804 Improper authentication in UniFi Protect application CVSS 3.1CRITICAL 9.6
TI-2026-17425 Improper authentication in Ubiquiti 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