TI-2024-00196 Aliases CVE-2024-0218 GHSA-35m6-rf3v-8cxx

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

MEDIUM 42CWE-1286Published 2024-04-10 · Updated 2024-09-20

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Attack requirements: Present
Impact type: —
Confidentiality · integrity · availability: None · None · High
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00554 46th percentileScored 2026-11-07

Fix Fixed Guardian (Nozomi Networks): 23.4.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

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 23.4.1	23.4.1	Patch available	CNA

Guardian VendorNozomi Networks Affected before 23.4.1 Fixed in 23.4.1 Patch available CNA

CPE names CISA-ADP · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:nozominetworks:guardian::::::::	—	—	Nozomi Networks

cpe:2.3:a:nozominetworks:guardian:*:*:*:*:*:*:*:* Versions — — ·Nozomi Networks

Remediation

Fix · CNA Guardian (Nozomi Networks) Fixed in 23.4.1

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2024-04-10
Nozomi Networks Guardian 23.4.1
2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2023-06320 Information disclosure via audit records for OpenAPI requests in Guardian/CMC before 23.4.1Priority LOW 36
Show all 2 records →

Timeline

2026-10-02 Threatist record created from CVE-2024-0218
2026-10-03 Alias added: GHSA-35m6-rf3v-8cxx

References

Other 1

https://security.nozominetworks.com/NN-2024:1-01

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-2021-08402 Authenticated command injection when changing date settings or hostname in Guardian/CMC before 20.0.7.4 CVSS 4.0HIGH 8.6
TI-2023-09405 Authenticated Blind SQL Injection on alerts count in Guardian/CMC before 22.6.2 CVSS 4.0HIGH 8.7

See all 64 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences