CVE-2023-32649: Nozominetworks Cmc

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

A Denial of Service (Dos) vulnerability in Nozomi Networks Guardian and CMC, due to improper input validation in certain fields used in the Asset Intelligence functionality of our IDS, allows an unauthenticated attacker to crash the IDS module by sending specially crafted malformed network packets. During the (limited) time window before the IDS module is automatically restarted, network traffic may not be analyzed.

Affected products

• Nozominetworks Cmc: from 22.6.0, before 22.6.3 (fixed in 22.6.3); from 23.0.0, before 23.1.0 (fixed in 23.1.0)
• Nozominetworks Guardian: from 22.6.0, before 22.6.3 (fixed in 22.6.3); from 23.0.0, before 23.1.0 (fixed in 23.1.0)

Published 2023-09-19. Last modified 2026-06-17.