How severe is CVE-2023-31997?

CVE-2023-31997 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-31997 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-31997?

CVE-2023-31997 affects Ui Unifi Os. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-31997?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-31997 published?

CVE-2023-31997 was published on 2023-07-01 and last updated on 2026-06-17.

CVE-2023-31997

CVE-2023-31997 is a critical-severity vulnerability in Ui Unifi Os with a CVSS 3.x base score of 9.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.

Key facts

Severity: Critical (CVSS 3.x base score 9.0)
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Ui Unifi Os
Published: 2023-07-01
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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. 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.
How severe is CVE-2023-31997?: CVE-2023-31997 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-31997 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-31997?: CVE-2023-31997 affects Ui Unifi Os. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-31997?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-31997 published?: CVE-2023-31997 was published on 2023-07-01 and last updated on 2026-06-17.

References

https://community.ui.com/releases/Security-Advisory-Bulletin-032-032/e57301f4-4f5e-4d9f-90bc-71f1923ed7a4

Affected products (1)

cpe:2.3:o:ui:unifi_os:3.1:*:*:*:*:*:*:*

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