Authenticated SQL Injection on Alerts in Guardian/CMC before 22.5.2

Last update: 2024-05-20

Advisory IDNN-2023:1-01
TopicAuthenticated SQL Injection on Alerts in Guardian/CMC before 22.5.2
CWE ImpactCWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Issue date2023-05-03
AffectsGuardian, CMC < v22.5.2
CVE Name(s)CVE-2022-4259
CVSS Score8.7 (CVSS v4.0)
8.8 (CVSS v3.1)
CVE Risk LevelHigh (CVSS v4.0)
High (CVSS v3.1)
Risk Level for Nozomi customersMedium


A SQL Injection vulnerability in Nozomi Networks Guardian and CMC, due to improper input validation in the Alerts controller, allows an authenticated attacker to execute arbitrary SQL queries on the DBMS used by the web application.


Authenticated users can extract arbitrary information from the DBMS in an uncontrolled way.

Affected Products

Guardian, CMC < v22.5.2

Workarounds and Mitigations

Use internal firewall features to limit access to the web management interface.


Upgrade to v22.5.2 or later.

Modification History

2023-05-03: Initial revision
2023-09-04: Minor updates to format and metadata to improve the CSAF implementation
2023-11-13: Migrated to CSAF VEX format
2023-11-16: CSAF vers improvements
2024-05-20: Added CVSS v4.0 scoring where applicable

Related Links


We thank the following parties for their efforts:

  • Stefano Libero of Nozomi Networks Product Security team for finding this issue during an internal code review


Nozomi Networks Product Security team can be reached at prodsec@nozominetworks.com.
More contact details on the PSIRT page.