Unifi ProtectApplication · Ui

CVE-2021-22944

HIGH · 8.0 CVSS v3.1 Published 2021-08-31
Fix available
A fix is available. Upgrade to 1.19.0 or later.
See remediation →
82/100
Remediation priority · High
Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
A vulnerability found in UniFi Protect application V1.18.1 and earlier allows a malicious actor with a view-only role and network access to gain the same privileges as the owner of the UniFi Protect application. This vulnerability is fixed in UniFi Protect application V1.19.0 and later.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

A broken access control vulnerability in UniFi Protect application versions 1.18.1 and earlier allows authenticated users with view-only role permissions to escalate their privileges to owner-level access through improper authorization validation, granting full administrative capabilities.

MitigationUpgrade UniFi Protect application to version 1.19.0 or later to address the privilege escalation vulnerability.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Unifi ProtectApplication
Affected:< 1.19.0

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Adjacent
Complexity
Low
Privileges
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify UniFi Protect installation
    Locate the UniFi Protect application on your system or check the Ubiquiti controller/dashboard that manages UniFi devices.
    Affected if UniFi Protect is installed and running.
  2. Determine installed UniFi Protect version
    Access the UniFi Protect interface or controller, then navigate to the system settings or about section to view the application version number.
    Affected if The version displayed is 1.18.1 or earlier, or any version lower than 1.19.0.
  3. Verify view-only user accounts exist
    Check the user management or access control settings in the UniFi Protect admin interface for accounts assigned the view-only or guest role.
    Affected if There are view-only role accounts configured in the system.
  4. Confirm affected version range
    Compare your identified version against the affected range: versions prior to 1.19.0.
    Affected if Your installed version is less than 1.19.0.

You are affected if UniFi Protect is installed with a version lower than 1.19.0 and view-only role accounts exist in the system.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Upgrade available Upgrade to 1.19.0 or later
Fixed in 1.19.0
Interim mitigation

Upgrade UniFi Protect application to version 1.19.0 or later to address the privilege escalation vulnerability.

Recommended fix High confidence

UniFi Protect V1.19.0 or later

  1. Log in to the UniFi Controller that manages the UniFi Protect application
  2. Navigate to the UniFi Protect settings or system settings
  3. Check for available updates in the UniFi OS or Controller interface
  4. Locate the UniFi Protect update option
  5. Upgrade UniFi Protect to version 1.19.0 or later
  6. Verify the upgrade was successful by checking the installed version in the UniFi OS Console under Protect > Settings > General
Caveat No specific breaking changes mentioned in the provided material; standard update precautions apply (backup configuration, ensure stable power)

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Unifi Protect Scoped from the published advisory
  • Consultation2.0 h
  • Implementation2.0 h
  • Testing3.0 h
  • Review / QA1.0 h
8.0 hours of engineering $1,390
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,224.

Scan for this in your stack

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dbcve dependency scanner

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2021-22944 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data