CVE-2026-33390Incorrect privilege assignment for Arc sensors in Guardian/CMC before 26.2.0

An Incorrect Privilege Assignment vulnerability was discovered in the synchronization functionality due to Arc sensors receiving CLI permissions. An authenticated user with limited privileges can push administrative CLI commands through the sync, altering the device configuration, and/or affecting its availability.

7.2 HIGHEPSS 0.40%Not in KEVNVD: Modified

Last updated: 2026-08-11 13:18 UTC

OverviewCVSS details

7.2HIGHCVSS 4.0

Score source: Nozomi (CNA)
NVD status: Modified
Published: Jul 9, 2026
Assigner: Nozomi

Affected

Guardian (Nozomi Networks)

Versions: before 26.2.0
Fixed in: 26.2.0

+1 more product →

Exploitation

Public exploit: None listed
CISA KEV: Not listed
KEV due date: —
SSVC: Exploitation none · Automatable no · Impact total

EPSS · FIRST, scored Nov 8

0.40%chance of exploitation in 30 days

Higher than 34.57% of CVEs

CVSS 4.0 · Nozomi (CNA)

7.2High

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

Attack vector: Network
Attack complexity: Low
Attack requirements: None
Privileges required: Low
User interaction: None
Confidentiality impact: None
Integrity impact: High
Availability impact: High
Confidentiality (other systems): None
Integrity (other systems): None
Availability (other systems): None

CVSS 3.1 · Nozomi (CNA)

8.1High

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

Attack vector: Network
Attack complexity: Low
Privileges required: Low
User interaction: None
Scope: Unchanged
Confidentiality impact: None
Integrity impact: High
Availability impact: High

NVD status: Modified

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
7.2	HIGH	4.0Nozomi (CNA)	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
8.1	HIGH	3.1Nozomi (CNA)	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Details

CVE ID: CVE-2026-33390
Status: Modified
Assigner (CNA): Nozomi
Published: Jul 9, 2026
Last modified: 2026-08-11 13:18 UTC
Weaknesses: CWE-266 · Incorrect privilege assignment

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-09 08:16 UTC.