An access control vulnerability was discovered in the Smart Polling configuration functionality due to insufficient validation of user privileges. An authenticated user with limited privileges can remotely bypass the intended access control of the web management interface and modify the Smart Polling discovery configuration. This allows the attacker to disrupt the visibility of assets in the monitored network.

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Advisories

No advisories yet.

Fixes

Solution

Upgrade to v26.3.0 or later.


Workaround

Use internal firewall features to limit access to the web management interface.

History

Tue, 08 Sep 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 08 Sep 2026 14:00:00 +0000

Type Values Removed Values Added
Description An access control vulnerability was discovered in the Smart Polling configuration functionality due to insufficient validation of user privileges. An authenticated user with limited privileges can remotely bypass the intended access control of the web management interface and modify the Smart Polling discovery configuration. This allows the attacker to disrupt the visibility of assets in the monitored network.
Title Incorrect authorization in Smart Polling configuration in Guardian/CMC before 26.3.0
First Time appeared Nozomi Networks
Nozomi Networks cmc
Nozomi Networks guardian
Weaknesses CWE-863
CPEs cpe:2.3:a:nozomi_networks:cmc:*:*:*:*:*:*:*:*
cpe:2.3:a:nozomi_networks:guardian:*:*:*:*:*:*:*:*
Vendors & Products Nozomi Networks
Nozomi Networks cmc
Nozomi Networks guardian
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Nozomi

Published:

Updated: 2026-09-08T14:20:11.710Z

Reserved: 2026-03-19T11:28:43.172Z

Link: CVE-2026-33391

cve-icon Vulnrichment

Updated: 2026-09-08T14:20:08.123Z

cve-icon NVD

Status : Received

Published: 2026-09-08T14:17:22.547

Modified: 2026-09-08T15:18:43.500

Link: CVE-2026-33391

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-08T15:45:06Z

Weaknesses