How severe is CVE-2020-8146?

CVE-2020-8146 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-8146 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-8146?

CVE-2020-8146 affects Ui Unifi Video. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-8146?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-8146 published?

CVE-2020-8146 was published on 2020-04-01 and last updated on 2026-06-17.

CVE-2020-8146

CVE-2020-8146 is a high-severity vulnerability in Ui Unifi Video with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-427.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.9
EPSS exploit prediction: 1% (39th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-427
Affected product: Ui Unifi Video
Published: 2020-04-01
Last modified: 2026-06-17

Description

In UniFi Video v3.10.1 (for Windows 7/8/10 x64) there is a Local Privileges Escalation to SYSTEM from arbitrary file deletion and DLL hijack vulnerabilities. The issue was fixed by adjusting the .tsExport folder when the controller is running on Windows and adjusting the SafeDllSearchMode in the windows registry when installing UniFi-Video controller. Affected Products: UniFi Video Controller v3.10.2 (for Windows 7/8/10 x64) and prior. Fixed in UniFi Video Controller v3.10.3 and newer.

Frequently asked questions

What is CVE-2020-8146?: In UniFi Video v3.10.1 (for Windows 7/8/10 x64) there is a Local Privileges Escalation to SYSTEM from arbitrary file deletion and DLL hijack vulnerabilities. The issue was fixed by adjusting the .tsExport folder when the controller is running on Windows and adjusting the SafeDllSearchMode in the windows registry when installing UniFi-Video controller. Affected Products: UniFi Video Controller v3.10.2 (for Windows 7/8/10 x64) and prior. Fixed in UniFi Video Controller v3.10.3 and newer.
How severe is CVE-2020-8146?: CVE-2020-8146 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-8146 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-8146?: CVE-2020-8146 affects Ui Unifi Video. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-8146?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-8146 published?: CVE-2020-8146 was published on 2020-04-01 and last updated on 2026-06-17.

References

https://community.ui.com/releases/Security-advisory-bulletin-006-006/3cf6264e-e0e6-4e26-a331-1d271f84673e

Affected products (1)

cpe:2.3:a:ui:unifi_video:*:*:*:*:*:*:*:*

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