CVE-2024-0218

DoS on IDS parsing of malformed Radius packets in Guardian before 23.4.1

Published Apr 10, 2024 CVSS 4.0 · 8.2 High EPSS < 1% KEV · Not listed
Description
A Denial of Service (Dos) vulnerability in Nozomi Networks Guardian, caused by improper input validation in certain fields used in the Radius parsing functionality of our IDS, allows an unauthenticated attacker sending specially crafted malformed network packets to cause the IDS module to stop updating nodes, links, and assets.



Network traffic may not be analyzed until the IDS module is restarted.

Remediation

Vendor Solution

Upgrade to v23.4.1 or later.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-16017 A Denial of Service (Dos) vulnerability in Nozomi Networks Guardian, caused by improper input validation in certain fields used in the Radius parsing functionality of our IDS, allows an unauthenticated attacker sending specially crafted malformed network packets to cause the IDS module to stop updating nodes, links, and assets. Network traffic may not be analyzed until the IDS module is restarted.
History
Type Values Removed Values Added
Weaknesses CWE-20
Type Values Removed Values Added
First Time appeared Nozominetworks
Nozominetworks guardian
CPEs cpe:2.3:a:nozominetworks:guardian:*:*:*:*:*:*:*:*
Vendors & Products Nozominetworks
Nozominetworks guardian
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-1286
Weaknesses

Sources

Status
PUBLISHED
Assigner
Nozomi
Published
Updated
Sep 20, 2024, 12:19 PM
Reserved
Jan 3, 2024, 2:37 PM
Status
Deferred
Published
Apr 10, 2024, 4:15 PM
Modified
Jun 17, 2026, 6:53 AM