Uncontrolled resource consumption in UniFi Protect
Priority LOW 36CWE-400Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-400.
Summary
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.
Why it matters now
EPSS 0.01318 70th 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 | Fixed in v1.17.1 | — | No fix listed | CNA |
- UniFi Protect Vendor— Affected Fixed in v1.17.1 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ui:unifi_protect_controller:*:*:*:*:*:*:*:* | before 1.17.1 | Vulnerable | Ubiquiti |
| cpe:2.3:h:ui:unifi_cloud_key_plus:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Ubiquiti |
| cpe:2.3:h:ui:unifi_dream_machine_pro:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Ubiquiti |
| cpe:2.3:h:ui:unifi_network_video_recorder:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Ubiquiti |
- cpe:2.3:a:ui:unifi_protect_controller:*:*:*:*:*:*:*:* Versions before 1.17.1 Vulnerable ·Ubiquiti
- cpe:2.3:h:ui:unifi_cloud_key_plus:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Ubiquiti
- cpe:2.3:h:ui:unifi_dream_machine_pro:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Ubiquiti
- cpe:2.3:h:ui:unifi_network_video_recorder:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Ubiquiti
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-22882
- 2026-10-03 Alias added: GHSA-9727-xj59-f5g3
References
Sources
- CVE-2021-22882 · CVE Program
- CVE-2021-22882 · NVD
- FIRST EPSS
- GHSA-9727-xj59-f5g3 · GitHub Advisory Database · CC BY 4.0
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