Skip to main content

Unifi Network Application CVE-2023-41721

MEDIUM
Improper Access Control (CWE-284)
2023-10-25 support@hackerone.com
5.3
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Access control enforcement
MITRE ATT&CK

1 technique across 1 tactic: Defense Evasion

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 5.3 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.6% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

Instances of UniFi Network Application that (i) are run on a UniFi Gateway Console, and (ii) are versions 7.5.176. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-284. Instances of UniFi Network Application that (i) are run on a UniFi Gateway Console, and (ii) are versions 7.5.176. and earlier, implement device adoption with improper access control logic, creating a risk of access to device configuration information by a malicious actor with preexisting access to the network. Affected Products: UDM UDM-PRO UDM-SE UDR UDW Mitigation: Update UniFi Network to Version 7.5.187 or later. Affected products include: Ui Unifi Network Application. Version information: Version 7.5.187.

Know when Unifi Network Application gets its next vulnerability

  • Watch products and get an email when something new is published
  • Check this CVE against your own stack and servers
  • Exploit and PoC references, threat intelligence from 22 sources

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 5.3 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

DescriptionNVD

Instances of UniFi Network Application that (i) are run on a UniFi Gateway Console, and (ii) are versions 7.5.176. and earlier, implement device adoption with improper access control logic, creating a risk of access to device configuration information by a malicious actor with preexisting access to the network.

Affected Products: UDM UDM-PRO UDM-SE UDR UDW

Mitigation: Update UniFi Network to Version 7.5.187 or later.

Threat Intelligence Overview

EPSS Score
0.6%
Top 56% exploitable
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.6%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

27
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +26
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)NVD

cpe:2.3:a:ui:unifi_network_application:*:*:*:*:*:*:*:*
CVE-2026-22557 CRITICAL POC
10.0 Mar 19

A critical path traversal vulnerability exists in the UniFi Network Application that allows unauthenticated remote attac

CVE-2026-77535 CRITICAL
9.1 Aug 26

Authenticated command injection in Ubiquiti's UniFi Network Application (the controller software managing UniFi network

CVE-2026-77541 CRITICAL
9.1 Aug 26

Privilege escalation in Ubiquiti's UniFi Network Application allows an already-authenticated, high-privileged user with

CVE-2023-28365 CRITICAL
9.1 Jul 01

A backup file vulnerability found in UniFi applications (Version 7.3.83 and earlier) running on Linux operating systems

CVE-2026-55114 HIGH
8.8 Jul 02

Privilege escalation in Ubiquiti's UniFi Network Application allows a low-privileged, network-adjacent user to gain elev

CVE-2026-54406 HIGH
8.7 Jul 02

Privilege escalation via path traversal in self-hosted UniFi Network Application (Ubiquiti's controller software) allows

CVE-2026-55118 HIGH
8.3 Jul 02

Privilege escalation in Ubiquiti's UniFi Network Application allows a low-privileged, authenticated user on the network

CVE-2024-42025 HIGH
7.8 Sep 13

A Command Injection vulnerability found in a Self-Hosted UniFi Network Servers (Linux) with UniFi Network Application (V

CVE-2026-54405 HIGH
7.5 Jul 02

Denial of service in Ubiquiti's UniFi Network Application allows a remote, unauthenticated attacker with network access

CVE-2026-56842 HIGH
7.5 Jul 02

Privilege persistence in Ubiquiti's UniFi Network Application allows a low-privileged network-adjacent actor to retain g

CVE-2023-32000 MEDIUM
4.8 Jul 08

A Cross-Site Scripting (XSS) vulnerability found in UniFi Network (Version 7.3.83 and earlier) allows a malicious actor

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy