DoS via SAML configuration in Guardian/CMC before 22.6.2
Priority LOW 31CWE-1286Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
An authenticated administrator can upload a SAML configuration file with the wrong format, with the application not checking the correct file format. Every subsequent application request will return an error. The whole application in rendered unusable until a console intervention.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00605 49th percentileScored 2026-11-07
Fix Fixed Guardian (Nozomi Networks): 22.6.2CMC (Nozomi Networks): 22.6.2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- 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 22.6.2 | 22.6.2 | Patch available | CNA |
| Nozomi Networks | CMC | before 22.6.2 | 22.6.2 | Patch available | CNA |
- Guardian VendorNozomi Networks Affected before 22.6.2 Fixed in 22.6.2 Patch available CNA
- CMC VendorNozomi Networks Affected before 22.6.2 Fixed in 22.6.2 Patch available CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:nozominetworks:cmc:*:*:*:*:*:*:*:* | before 22.6.2 | Vulnerable | Nozomi Networks |
| cpe:2.3:a:nozominetworks:guardian:*:*:*:*:*:*:*:* | before 22.6.2 | Vulnerable | Nozomi Networks |
- cpe:2.3:a:nozominetworks:cmc:*:*:*:*:*:*:*:* Versions before 22.6.2 Vulnerable ·Nozomi Networks
- cpe:2.3:a:nozominetworks:guardian:*:*:*:*:*:*:*:* Versions before 22.6.2 Vulnerable ·Nozomi Networks
Remediation
- Fix · CNA Guardian (Nozomi Networks) Fixed in 22.6.2
- Fix · CNA CMC (Nozomi Networks) Fixed in 22.6.2
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Nozomi Networks CMC, Guardian 22.6.2
7 records Highest priority Priority MEDIUM 1 MEDIUM, 6 LOW
Other records, highest priority first
- TI-2023-09405 Authenticated Blind SQL Injection on alerts count in Guardian/CMC before 22.6.2Priority MEDIUM 41
- TI-2023-08638 Authenticated Blind SQL Injection on sorting in Guardian/CMC before 22.6.2Priority LOW 39
- TI-2023-08997 Stored Cross-Site Scripting (XSS) in Threat Intelligence rules in Guardian/CMC before 22.6.2Priority LOW 34
Timeline
- 2026-10-02 Threatist record created from CVE-2023-23903
- 2026-10-03 Alias added: GHSA-fp89-4294-45q3
References
More Nozomi Networks Cmc vulnerabilities
- 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-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
Sources
- CVE-2023-23903 · CVE Program
- CVE-2023-23903 · NVD
- FIRST EPSS
- GHSA-fp89-4294-45q3 · GitHub Advisory Database · CC BY 4.0
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