CVE-2026-21633

Unauthorized camera access via discovery protocol

Published Jan 5, 2026 · Updated Jan 5, 2026

Improper authentication in Ubiquiti UniFi Protect Application 6.1.79 and earlier allows remote attackers to access managed cameras. The flaw is in the discovery protocol, but Ubiquiti has not disclosed the affected handler or the authentication operation it performs incorrectly. An attacker must reach the same or adjacent network; published impact covers unauthorized camera access, without details on exposed functions.

CVSS severity8.8
High
EPSS probability0.45%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper authentication in Ubiquiti UniFi Protect Application 6.1.79 and earlier allows remote attackers to access managed cameras. The flaw is in the discovery protocol, but Ubiquiti has not disclosed the affected handler or the authentication operation it performs incorrectly. An attacker must reach the same or adjacent network; published impact covers unauthorized camera access, without details on exposed functions.

The record

CVE
CVE-2026-21633
Published
Jan 5, 2026
Updated
Jan 5, 2026
Vendor
Ubiquiti Inc.
Product
UniFi Protect Application
Classifications
CWE-287
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 5, 2026CVE publishedPublication date reported by the CVE source.
  2. Jan 5, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=6.1.79 <6.2.72

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

Ubiquiti Inc. · UniFi Protect Applicationversion=6.1.79 <6.2.72

Published CVSS scores

8.8HackerOneCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-287Improper Authentication

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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