A malicious actor with access to the adjacent network could overflow the UniFi Protect Application (Version 6.1.79 and earlier) discovery protocol causing it to restart. Affected Products: UniFi Protect Application (Version 6.1.79 and earlier). Mitigation: Update your UniFi Protect Application to Version 6.2.72 or later.
History

Tue, 06 Jan 2026 14:30:00 +0000

Type Values Removed Values Added
First Time appeared Ubiquiti
Ubiquiti protect Application
Vendors & Products Ubiquiti
Ubiquiti protect Application

Tue, 06 Jan 2026 00:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 05 Jan 2026 21:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-119

Mon, 05 Jan 2026 17:00:00 +0000

Type Values Removed Values Added
Description A malicious actor with access to the adjacent network could overflow the UniFi Protect Application (Version 6.1.79 and earlier) discovery protocol causing it to restart. Affected Products: UniFi Protect Application (Version 6.1.79 and earlier). Mitigation: Update your UniFi Protect Application to Version 6.2.72 or later.
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: hackerone

Published: 2026-01-05T16:47:38.917Z

Updated: 2026-01-05T20:42:08.706Z

Reserved: 2026-01-01T15:00:02.338Z

Link: CVE-2026-21634

cve-icon Vulnrichment

Updated: 2026-01-05T20:41:58.555Z

cve-icon NVD

Status : Received

Published: 2026-01-05T17:15:47.243

Modified: 2026-01-05T21:16:15.120

Link: CVE-2026-21634

cve-icon Redhat

No data.