Incorrect privilege assignment for Arc sensors in Guardian/CMC before 26.2.0
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-266.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Nozomi Networks | Guardian | before 26.2.0 | 26.2.0 | Patch available | CNA |
| Nozomi Networks | CMC | before 26.2.0 | 26.2.0 | Patch available | CNA |
- Guardian VendorNozomi Networks Affected before 26.2.0 Fixed in 26.2.0 Patch available CNA
- CMC VendorNozomi Networks Affected before 26.2.0 Fixed in 26.2.0 Patch available CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:nozominetworks:cmc:*:*:*:*:*:*:*:* | before 26.2.0 | Vulnerable | Nozomi Networks |
| cpe:2.3:a:nozominetworks:guardian:*:*:*:*:*:*:*:* | before 26.2.0 | Vulnerable | Nozomi Networks |
- cpe:2.3:a:nozominetworks:cmc:*:*:*:*:*:*:*:* Versions before 26.2.0 Vulnerable ·Nozomi Networks
- cpe:2.3:a:nozominetworks:guardian:*:*:*:*:*:*:*:* Versions before 26.2.0 Vulnerable ·Nozomi Networks
Remediation
- Fix · CNA Guardian (Nozomi Networks) Fixed in 26.2.0
- Fix · CNA CMC (Nozomi Networks) Fixed in 26.2.0
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Nozomi Networks CMC, Guardian 26.2.0
5 records Highest priority Priority MEDIUM 1 MEDIUM, 4 LOW
Other records, highest priority first
- TI-2026-24526 DoS through oversized audit log entries in Guardian/CMC before 26.2.0Priority MEDIUM 44
- TI-2026-24525 Missing authentication in SSH keys synchronization endpoint in Guardian/CMC before 26.2.0Priority LOW 31
- TI-2026-24524 Open Redirect in SAML Single Sign-On in Guardian/CMC before 26.2.0Priority LOW 24
Timeline
- 2026-10-02 Threatist record created from CVE-2026-33390
- 2026-10-03 Alias added: GHSA-w68v-42v6-6q7h
References
More Nozomi Networks Cmc vulnerabilities
- TI-2022-00470 Authenticated RCE on project configuration import in Guardian/CMC before 22.0.0 CVSS 4.0HIGH 8.6
- TI-2026-24526 DoS through oversized audit log entries in Guardian/CMC before 26.2.0 CVSS 4.0HIGH 8.7
- TI-2023-15926 DoS on IDS parsing of malformed asset fields in Guardian/CMC >= 22.6.0 before 22.6.3 and 23.1.0 CVSS 4.0HIGH 8.2
- TI-2023-13657 SQL Injection on IDS parsing of malformed asset fields in Guardian/CMC >= 22.6.0 before 22.6.3 and 23.1.0 CVSS 4.0CRITICAL 9.2
- TI-2023-09405 Authenticated Blind SQL Injection on alerts count in Guardian/CMC before 22.6.2 CVSS 4.0HIGH 8.7
- TI-2023-02399 Authenticated SQL Injection on Query functionality in Guardian/CMC before 22.6.3 and 23.1.0 CVSS 4.0HIGH 8.7
Sources
- CVE-2026-33390 · CVE Program
- CVE-2026-33390 · NVD
- FIRST EPSS
- GHSA-w68v-42v6-6q7h · GitHub Advisory Database · CC BY 4.0
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