CVE-2020-27888

CVSS V2 Medium 5 CVSS V3 High 7.5
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.
Overview
  • CVE ID
  • CVE-2020-27888
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-10-27T21:15:14
  • Last Modified Date
  • 2021-07-21T11:39:23
Weakness Enumerations
CWE URL
CWE-459 http://cwe.mitre.org/data/definitions/459.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:ui:unifi_meshing_access_point_firmware:4.3.21.11325:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:ui:unifi_meshing_access_point:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:ui:unifi_controller_firmware:6.0.28:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:ui:unifi_controller:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:N/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://community.ui.com/questions/Possible-authentication-bypass-for-access-into-LAN/7965adb2-5d70-4410-8467-4c7bec76bc00 Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-27888
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27888
History
Created Old Value New Value Data Type Notes
2022-05-10 07:04:17 Added to TrackCVE
2022-12-05 15:44:05 2020-10-27T21:15Z 2020-10-27T21:15:14 CVE Published Date updated
2022-12-05 15:44:05 2021-07-21T11:39:23 CVE Modified Date updated
2022-12-05 15:44:05 Analyzed Vulnerability Status updated