How severe is CVE-2020-8267?

CVE-2020-8267 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2020-8267 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-8267?

CVE-2020-8267 affects Ui Unifi Protect Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-8267?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-8267 published?

CVE-2020-8267 was published on 2020-11-05 and last updated on 2026-06-17.

CVE-2020-8267

CVE-2020-8267 is a medium-severity vulnerability in Ui Unifi Protect Firmware with a CVSS 3.x base score of 5.3. 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-287.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Ui Unifi Protect Firmware
Published: 2020-11-05
Last modified: 2026-06-17

Description

A security issue was found in UniFi Protect controller v1.14.10 and earlier.The authentication in the UniFi Protect controller API was using “x-token” improperly, allowing attackers to use the API to send authenticated messages without a valid token.This vulnerability was fixed in UniFi Protect v1.14.11 and newer.This issue does not impact UniFi Cloud Key Gen 2 plus.This issue does not impact UDM-Pro customers with UniFi Protect stopped.Affected Products:UDM-Pro firmware 1.7.2 and earlier.UNVR firmware 1.3.12 and earlier.Mitigation:Update UniFi Protect to v1.14.11 or newer version; the UniFi Protect controller can be updated through your UniFi OS settings.Alternatively, you can update UNVR and UDM-Pro to:- UNVR firmware to 1.3.15 or newer.- UDM-Pro firmware to 1.8.0 or newer.

Frequently asked questions

What is CVE-2020-8267?: A security issue was found in UniFi Protect controller v1.14.10 and earlier.The authentication in the UniFi Protect controller API was using “x-token” improperly, allowing attackers to use the API to send authenticated messages without a valid token.This vulnerability was fixed in UniFi Protect v1.14.11 and newer.This issue does not impact UniFi Cloud Key Gen 2 plus.This issue does not impact UDM-Pro customers with UniFi Protect stopped.Affected Products:UDM-Pro firmware 1.7.2 and earlier.UNVR firmware 1.3.12 and earlier.Mitigation:Update UniFi Protect to v1.14.11 or newer version; the UniFi Protect controller can be updated through your UniFi OS settings.Alternatively, you can update UNVR and UDM-Pro to:- UNVR firmware to 1.3.15 or newer.- UDM-Pro firmware to 1.8.0 or newer.
How severe is CVE-2020-8267?: CVE-2020-8267 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2020-8267 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-8267?: CVE-2020-8267 affects Ui Unifi Protect Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-8267?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-8267 published?: CVE-2020-8267 was published on 2020-11-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:ui:unifi_protect_firmware:*:*:*:*:*:*:*:*

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