CVE-2026-21633
8.8 · HIGHOverview
CVE-2026-21633 is a high-severity vulnerability affecting ui unifi_protect. It was published on January 5, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
A malicious actor with access to the adjacent network could obtain unauthorized access to a UniFi Protect Camera by exploiting a discovery protocol vulnerability in the Unifi Protect Application (Version 6.1.79 and earlier).
Affected Products:
UniFi Protect Application (Version 6.1.79 and earlier).
Mitigation:
Update your UniFi Protect Application to Version 6.2.72 or later.
Remediation
Check the references section for vendor advisories and patches from ui. Update unifi_protect to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| ui | unifi_protect | >= 0, < 6.2.72 | Affected |
Frequently Asked Questions
What is CVE-2026-21633?
CVE-2026-21633 is a high-severity vulnerability affecting ui unifi_protect. It was published on January 5, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).
How severe is CVE-2026-21633?
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-21633?
Check the references section for vendor advisories and patches from ui. Update unifi_protect to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-21633?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-21633 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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