{"cve":"CVE-2020-8157","nvd":{"published":"2020-05-02T16:15:11.620","modified":"2026-06-17T03:25:57.550","status":"Modified","description":"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).","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":6.8},"cwes":["CWE-284"],"references":["https://community.ui.com/releases/Security-advisory-bulletin-008-008/5f66ca4c-10d6-4ca5-9620-37d5a4f22413","https://community.ui.com/releases/UniFi-Cloud-Key-Firmware-1-1-11/a24e55e1-6d90-46d7-92e2-01539ec8c79d","https://community.ui.com/releases/Security-advisory-bulletin-008-008/5f66ca4c-10d6-4ca5-9620-37d5a4f22413","https://community.ui.com/releases/UniFi-Cloud-Key-Firmware-1-1-11/a24e55e1-6d90-46d7-92e2-01539ec8c79d"],"products":["ui:unifi_cloud_key_gen2_firmware","ui:unifi_cloud_key_gen2_plus_firmware"],"source":"nvd","synced_at":"2026-10-19T21:04:18.695612450+00:00"},"epss":{"cve":"CVE-2020-8157","score":0.00356,"percentile":0.29367,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}