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TI-2023-15926 Aliases CVE-2023-32649GHSA-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

Priority MEDIUM 43CWE-1286Published · Updated

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 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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00643 51st percentileScored 2026-11-07
Fix Fixed Guardian (Nozomi Networks): 22.6.3, 23.1.0CMC (Nozomi Networks): 22.6.3, 23.1.0

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

VendorProductAffected versionsFixed inStatusSource
Nozomi NetworksGuardian22.6.0 to before 22.6.3; 23.0.0 to before 23.1.022.6.3, 23.1.0Patch availableCNA
Nozomi NetworksCMC22.6.0 to before 22.6.3; 23.0.0 to before 23.1.022.6.3, 23.1.0Patch availableCNA
  • Guardian VendorNozomi Networks Affected 22.6.0 to before 22.6.3; 23.0.0 to before 23.1.0 Fixed in 22.6.3, 23.1.0 Patch available CNA
  • CMC VendorNozomi Networks Affected 22.6.0 to before 22.6.3; 23.0.0 to before 23.1.0 Fixed in 22.6.3, 23.1.0 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:nozominetworks:cmc:*:*:*:*:*:*:*:*22.6.0 to before 22.6.3; 23.0.0 to before 23.1.0VulnerableNozomi Networks
cpe:2.3:a:nozominetworks:guardian:*:*:*:*:*:*:*:*22.6.0 to before 22.6.3; 23.0.0 to before 23.1.0VulnerableNozomi Networks
  • cpe:2.3:a:nozominetworks:cmc:*:*:*:*:*:*:*:* Versions 22.6.0 to before 22.6.3; 23.0.0 to before 23.1.0 Vulnerable ·Nozomi Networks
  • cpe:2.3:a:nozominetworks:guardian:*:*:*:*:*:*:*:* Versions 22.6.0 to before 22.6.3; 23.0.0 to before 23.1.0 Vulnerable ·Nozomi Networks

Remediation

  • Fix · CNA Guardian (Nozomi Networks) Fixed in 22.6.3, 23.1.0
  • Fix · CNA CMC (Nozomi Networks) Fixed in 22.6.3, 23.1.0

Fixed in the same release

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

  • Release ·

    Nozomi Networks CMC, Guardian 22.6.3, 23.1.0

    3 records Highest priority Priority MEDIUM 3 MEDIUM

    Other records, highest priority first

    • TI-2023-13657 SQL Injection on IDS parsing of malformed asset fields in Guardian/CMC >= 22.6.0 before 22.6.3 and 23.1.0Priority MEDIUM 43
    • TI-2023-02399 Authenticated SQL Injection on Query functionality in Guardian/CMC before 22.6.3 and 23.1.0Priority MEDIUM 41
    Show all 3 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-32649
  2. 2026-10-03 Alias added: GHSA-jwqg-83qr-7fph
  3. 2026-10-21 EPSS moved to the 50th–90th percentile

References

Advisory 1

  • 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-2023-13657 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-2023-09405 Authenticated Blind SQL Injection on alerts count in Guardian/CMC before 22.6.2 CVSS 4.0HIGH 8.7
  • TI-2023-02399 Authenticated SQL Injection on Query functionality in Guardian/CMC before 22.6.3 and 23.1.0 CVSS 4.0HIGH 8.7
  • TI-2022-03900 Authenticated SQL Injection on Alerts in Guardian/CMC before 22.5.2 CVSS 4.0HIGH 8.7
See all 37 →

Sources

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