Vulnerability in Nozomi Networks Cmc
CVE-2026-33923
A signature verification vulnerability was discovered in the update installation functionality due to inconsistent validation of the update bundle contents. An attacker with administrative privileges can remotely supply a crafted update bundle that passes signature verification but runs an unsigned script when the bundle is installed. The script runs with root privileges, allowing the attacker to read or modify sensitive data, change the appliance configuration, or shut down the appliance.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-33923?
- CVE-2026-33923 is a high-severity vulnerability in Nozomi Networks Cmc, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.2/10. Published 2026-10-29.
- How severe is CVE-2026-33923?
- High severity. CVSS v3 base score is 7.2 out of 10.