Cyber Resilience

CVE-2023-31997

Critical

Published: 01 July 2023

Published
01 July 2023
Modified
26 November 2024
KEV Added
Patch
CVSS Score v3.1 9.0 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS Score 0.0004 13.6th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-31997 is a critical-severity Incorrect Authorization (CWE-863) vulnerability in Ui Unifi Os. Its CVSS base score is 9.0 (Critical).

Operationally, ranked at the 13.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

UniFi OS 3.1 introduces a misconfiguration on consoles running UniFi Network that allows users on a local network to access MongoDB. Applicable Cloud Keys that are both (1) running UniFi OS 3.1 and (2) hosting the UniFi Network application. "Applicable…

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Cloud Keys" include the following: Cloud Key Gen2 and Cloud Key Gen2 Plus.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

ui
unifi os
3.1

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-863

Periodic review and update of procedures reduces incorrect authorization implementations over time.

addresses: CWE-863

Supervision identifies cases where authorization logic incorrectly permits unauthorized actions.

addresses: CWE-863

Defining permitted attribute values and auditing modifications reduces the chance of incorrect authorization outcomes due to tampered or missing labels.

addresses: CWE-863

The authorization process and usage restrictions help prevent incorrect authorization for remote access types.

addresses: CWE-863

Establishing configuration and connection requirements helps ensure correct rather than incorrect authorization for wireless access.

addresses: CWE-863

Establishing connection authorization processes for mobile devices helps ensure authorization decisions are correctly implemented rather than incorrect.

addresses: CWE-863

Monitoring account use, notifying on changes, and reviewing accounts for compliance corrects incorrect authorization assignments.

addresses: CWE-863

Ensures authorization decisions for external system use are correctly implemented and enforced.

References