Information disclosure via the debug function in assertions in Guardian/CMC before 22.6.2

Last update: 2023-11-16

Advisory IDNN-2023:5-01
TopicInformation disclosure via the debug function in assertions in Guardian/CMC before 22.6.2
CWE ImpactCWE-863: Incorrect Authorization
Issue date2023-08-09
AffectsGuardian, CMC < v22.6.2
CVE Name(s)CVE-2023-24471
CVSS detailsCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS Score6.5
CVE Risk LevelMedium
Risk Level for Nozomi customersLow


An access control vulnerability was found, due to the restrictions that are applied on actual assertions not being enforced in their debug functionality.


An authenticated user with reduced visibility can obtain unauthorized information via the debug functionality, obtaining data that would normally be not accessible in the Query and Assertions functions.

Affected Products

Guardian, CMC < v22.6.2

Workarounds and Mitigations

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


Upgrade to v22.6.2 or later.

Modification History

2023-08-09: 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

Related Links


We thank the following parties for their efforts:

  • Stefano Libero of Nozomi Networks Product Security team for finding this issue during a scheduled internal VAPT testing session


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