Ui
CVE-2020-8267
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Authentication mechanism validation
MITRE ATT&CK
2 techniques across 2 tactics: Defense Evasion, Initial Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 5.3 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. |
| Exploit ScenarioDerived | A remote attacker could bypass authentication mechanisms to gain unauthorized access by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
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. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Improper Authentication vulnerability could allow attackers to bypass authentication mechanisms to gain unauthorized access.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. 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. Affected products include: Ui Unifi Protect Firmware.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
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.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
Affected Products (CPE)NVD
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A security flaw has been discovered in Ubiquiti EdgeRouter X up to 2.0.9-hotfix.6. Rated high severity (CVSS 7.3), this
A flaw has been found in Ubiquiti EdgeRouter X up to 2.0.9-hotfix.6. Rated high severity (CVSS 7.3), this vulnerability
A vulnerability was detected in Ubiquiti EdgeRouter X up to 2.0.9-hotfix.6. Rated high severity (CVSS 7.3), this vulnera
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GitHub PoC
Exploit-DB