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Vulnerabilities

Vulnerability · CVE-2023-31997

UniFi OS 3.1 introduces a misconfiguration on consoles running UniFi Network that allows users on a local network to access MongoDB.

Published Jul 1, 2023 · catalog updated Jun 17, 2026 · unifi os

Last checked Nov 6, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2023-31997. EPSS is 0.25%. Act only if a listed version of unifi os is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.25%
Remediation
Advisory link
Affected products
cpe ui/unifi os

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

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe ui/unifi os3.1

How to fix CVE-2023-31997

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2023-31997. EPSS is 0.25%. Act only if a listed version of unifi os is installed.

Which versions are affected?

Compare what you have installed with ui/unifi os 3.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-863: Incorrect Authorization. EPSS 0.25%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Ubiquiti UniFi security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 1, 2023 · Monitored products — high

    Detected

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

  2. Jun 17, 2026 · Monitored products — high

    Updated

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

Sources

  • CVE.orgVulnerability recordCVE-2023-31997

    Official CVE identifier

    cve.org
  • Monitored products — highVendor advisoryCVE-2023-31997

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

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 6, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgNov 6, 2026
  • Monitored products — highNov 6, 2026