CVE-2020-27888
HIGH
7.5
CVSS Score
Published: October 27, 2020 at 07:25 PM UTC
Updated: June 17, 2026 at 03:09 AM UTC
4 products affected across 1 vendorUnifi Controller FirmwareUnifi Meshing Access Point FirmwareUnifi Controller
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Severity
HIGH7.5
Exploit prediction
EPSS 1%
Description
An issue was discovered on Ubiquiti UniFi Meshing Access Point UAP-AC-M 4.3.21.11325 and UniFi Controller 6.0.28 devices. Cached credentials are not erased from an access point returning wirelessly from a disconnected state. This may provide unintended network access.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Unifi Controller· UIdevice
80%All versions
80%
All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (1)
x_refsource_MISCVendor Advisory
Source: [email protected]
https://community.ui.com/questions/Possible-authentication-bypass-for-access-into-LAN/7965adb2-5d70-4410-8467-4c7bec76bc00CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-459CWE-522
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