How severe is CVE-2023-28365?

CVE-2023-28365 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-28365 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-28365?

CVE-2023-28365 affects Ui Unifi Network Application. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-28365?

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-2023-28365 published?

CVE-2023-28365 was published on 2023-07-01 and last updated on 2026-06-17.

CVE-2023-28365

CVE-2023-28365 is a critical-severity vulnerability in Ui Unifi Network Application with a CVSS 3.x base score of 9.1. 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-77.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Ui Unifi Network Application
Published: 2023-07-01
Last modified: 2026-06-17

Description

A backup file vulnerability found in UniFi applications (Version 7.3.83 and earlier) running on Linux operating systems allows application administrators to execute malicious commands on the host device being restored.

Frequently asked questions

What is CVE-2023-28365?: A backup file vulnerability found in UniFi applications (Version 7.3.83 and earlier) running on Linux operating systems allows application administrators to execute malicious commands on the host device being restored.
How severe is CVE-2023-28365?: CVE-2023-28365 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-28365 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-28365?: CVE-2023-28365 affects Ui Unifi Network Application. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-28365?: 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-2023-28365 published?: CVE-2023-28365 was published on 2023-07-01 and last updated on 2026-06-17.

References

https://community.ui.com/releases/Security-Advisory-Bulletin-031-031/8c85fc64-e9a8-4082-9ec4-56b14effd545

Affected products (1)

cpe:2.3:a:ui:unifi_network_application:*:*:*:*:*:*:*:*

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