CVE-2023-23903

DoS via SAML configuration in Guardian/CMC before 22.6.2

Description

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.

Remediation

Solution:

  • Upgrade to v22.6.2 or later.

Workaround:

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

Category

6.9
CVSS
Severity: Medium
CVSS 4.0 •
CVSS 3.1 •
EPSS 0.12%
Vendor Advisory nozominetworks.com
Affected: Nozomi Networks Guardian
Affected: Nozomi Networks CMC
Published at:
Updated at:

References

Link Tags
https://security.nozominetworks.com/NN-2023:7-01 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-23903?
CVE-2023-23903 has been scored as a medium severity vulnerability.
How to fix CVE-2023-23903?
To fix CVE-2023-23903: Upgrade to v22.6.2 or later.
Is CVE-2023-23903 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-23903 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-23903?
CVE-2023-23903 affects Nozomi Networks Guardian, Nozomi Networks CMC.
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