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OpenAdvisories
High · 7.5 CVE-2023-32649 EUVD-2023-36892GHSA-jwqg-83qr-7fph

DoS on IDS parsing of malformed asset fields in Guardian/CMC >= 22.6.0 before 22.6.3 and 23.1.0

Published Sep 19, 2023 · Updated Feb 27, 2025 · Assigned by Nozomi

Description

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

VendorProductAffectedFixed
Nozomi Networks Guardian 22.6.0 – < 22.6.3, 23.0.0 – < 23.1.0 22.6.3
Nozomi Networks CMC 22.6.0 – < 22.6.3, 23.0.0 – < 23.1.0 22.6.3

Advisories 2

References