What’s Vulnerable › Vulnerabilities

CVE-2021-22882

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-02-23 · updated 2026-06-17
• Weakness: CWE-400

Description

UniFi Protect before v1.17.1 allows an attacker to use spoofed cameras to perform a denial-of-service attack that may cause the UniFi Protect controller to crash.

Affected products

• Ui Unifi Protect Controller: before 1.17.1 — fixed in 1.17.1

How to fix

Upgrade to a fixed version: Ui Unifi Protect Controller 1.17.1. Check the vendor advisory for mitigations.

References

• https://community.ui.com/releases/Security-advisory-bulletin-017-017/071141e5-bc2e-4b71-81f3-5e499316fcee
• https://hackerone.com/reports/1008579
• https://community.ui.com/releases/Security-advisory-bulletin-017-017/071141e5-bc2e-4b71-81f3-5e499316fcee
• https://hackerone.com/reports/1008579

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