Improper access control in UniFi Cloud Key Gen2, Cloud Key Gen2 plus
Priority LOW 30CWE-284Published · Updated
Key facts
- Attack vector
- Physical
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-284.
Summary
UniFi Cloud Key firmware <= v1.1.10 for Cloud Key gen2 and Cloud Key gen2 Plus contains a vulnerability that allows unrestricted root access through the serial interface (UART).
Why it matters now
EPSS 0.00356 29th 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 Cloud Key Gen2, Cloud Key Gen2 plus | Fixed in v1.1.11 | — | No fix listed | CNA |
- UniFi Cloud Key Gen2, Cloud Key Gen2 plus Vendor— Affected Fixed in v1.1.11 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:ui:unifi_cloud_key_gen2_firmware:*:*:*:*:*:*:*:* | up to 1.1.10 | Vulnerable | Ubiquiti |
| cpe:2.3:h:ui:unifi_cloud_key_gen2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Ubiquiti |
| cpe:2.3:o:ui:unifi_cloud_key_gen2_plus_firmware:*:*:*:*:*:*:*:* | up to 1.1.10 | Vulnerable | Ubiquiti |
| cpe:2.3:h:ui:unifi_cloud_key_gen2_plus:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Ubiquiti |
- cpe:2.3:o:ui:unifi_cloud_key_gen2_firmware:*:*:*:*:*:*:*:* Versions up to 1.1.10 Vulnerable ·Ubiquiti
- cpe:2.3:h:ui:unifi_cloud_key_gen2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Ubiquiti
- cpe:2.3:o:ui:unifi_cloud_key_gen2_plus_firmware:*:*:*:*:*:*:*:* Versions up to 1.1.10 Vulnerable ·Ubiquiti
- cpe:2.3:h:ui:unifi_cloud_key_gen2_plus:-:*:*:*:*:*:*:* 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-2020-8157
- 2026-10-03 Alias added: GHSA-3qh5-7339-m5xf
References
Sources
- CVE-2020-8157 · CVE Program
- CVE-2020-8157 · NVD
- FIRST EPSS
- GHSA-3qh5-7339-m5xf · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences