CVE-2021-22882
HIGH
7.5
CVSS Score
Published: February 23, 2021 at 06:28 PM UTC
Updated: June 17, 2026 at 03:37 AM UTC
5 products affected across 1 vendorUnifi Protect ControllerUnifi Dream Machine ProUnifi Network Video Recorder
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Severity
HIGH7.5
Exploit prediction
EPSS 1%
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 1.17.1
Affected range stops below 1.17.1, so it looks safe — our inference, not a vendor statement
ui-unifi-cloud-key-plus (environment) · ui-unifi-dream-machine-pro (environment) · ui-unifi-network-video-recorder (environment)
Unifi Cloud Key Plus· UIdevice
80%All versions
80%
All versions
80%
All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_MISCVendor Advisory
Source: [email protected]
https://community.ui.com/releases/Security-advisory-bulletin-017-017/071141e5-bc2e-4b71-81f3-5e499316fceeCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-400NVD-CWE-noinfo
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