An issue was discovered on Ubiquiti UniFi Meshing Access Point UAP-AC-M 4.3.21.11325 and…
Priority LOW 35CWE-459Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-522.
Summary
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.
Why it matters now
EPSS 0.01015 63rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:ui:unifi_meshing_access_point_firmware:4.3.21.11325:*:*:*:*:*:*:* | 4.3.21.11325 | Vulnerable | Ubiquiti |
| cpe:2.3:h:ui:unifi_meshing_access_point:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Ubiquiti |
| cpe:2.3:o:ui:unifi_controller_firmware:6.0.28:*:*:*:*:*:*:* | 6.0.28 | Vulnerable | Ubiquiti |
| cpe:2.3:h:ui:unifi_controller:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Ubiquiti |
- cpe:2.3:o:ui:unifi_meshing_access_point_firmware:4.3.21.11325:*:*:*:*:*:*:* Versions 4.3.21.11325 Vulnerable ·Ubiquiti
- cpe:2.3:h:ui:unifi_meshing_access_point:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Ubiquiti
- cpe:2.3:o:ui:unifi_controller_firmware:6.0.28:*:*:*:*:*:*:* Versions 6.0.28 Vulnerable ·Ubiquiti
- cpe:2.3:h:ui:unifi_controller:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Ubiquiti
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-27888
- 2026-10-03 Alias added: GHSA-fc89-33h9-mh65
References
Sources
- CVE-2020-27888 · CVE Program
- CVE-2020-27888 · NVD
- FIRST EPSS
- GHSA-fc89-33h9-mh65 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences