Vulnerability Details : 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.
Products affected by CVE-2020-27888
- cpe:2.3:o:ui:unifi_meshing_access_point_firmware:4.3.21.11325:*:*:*:*:*:*:*
- cpe:2.3:o:ui:unifi_controller_firmware:6.0.28:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-27888
0.28%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 48 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-27888
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2020-27888
-
The product does not properly "clean up" and remove temporary or supporting resources after they have been used.Assigned by: nvd@nist.gov (Primary)
-
The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-27888
-
https://community.ui.com/questions/Possible-authentication-bypass-for-access-into-LAN/7965adb2-5d70-4410-8467-4c7bec76bc00
Possible authentication bypass for access into LAN CVE-2020-27888 | Ubiquiti CommunityVendor Advisory
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