CVE-2020-27888

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.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://community.ui.com/questions/Possible-authentication-bypass-for-access-into-LAN/7965adb2-5d70-4410-8467-4c7bec76bc00	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:ui:unifi_meshing_access_point_firmware:4.3.21.11325:*:*:*:*:*:*:*

cpe:2.3:h:ui:unifi_meshing_access_point:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:ui:unifi_controller_firmware:6.0.28:*:*:*:*:*:*:*

cpe:2.3:h:ui:unifi_controller:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2020-10-27 21:15

Updated : 2023-12-10 13:41

NVD link : CVE-2020-27888

Mitre link : CVE-2020-27888

CVE.ORG link : CVE-2020-27888

JSON object : View

Products Affected

ui

unifi_meshing_access_point_firmware
unifi_meshing_access_point
unifi_controller_firmware
unifi_controller

CWE

CWE-459

Incomplete Cleanup

CWE-522

Insufficiently Protected Credentials

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