CVE-2023-4399: High severity grafana labs grafana oss and enterprise vulnerability

Published Oct 17, 2023
·
Updated

Grafana is an open-source platform for monitoring and observability.

In Grafana Enterprise, Request security is a deny list that allows admins to configure Grafana in a way so that the instance doesn’t call specific hosts.

However, the restriction can be bypassed used punycode encoding of the characters in the request address.

Affected Software

4 affected components
Grafana Grafana>=9.4.0<9.4.17
Grafana Grafana>=9.5.0<9.5.13
Grafana Grafana>=10.0.0<10.0.9
Grafana Grafana>=10.1.0<10.1.5

Event History

Oct 17, 2023
CVE Published
via MITRE·07:09 AM
Data Sourced
via MITRE·07:09 AM
DescriptionSeverityWeakness
Data Sourced
08:15 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·08:15 AM
DescriptionSeverityWeaknessAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2023-4399?

CVE-2023-4399 is a vulnerability in Grafana Enterprise that allows bypassing the request security deny list using punycode encoding.

2

What is Grafana Enterprise?

Grafana Enterprise is an open-source platform for monitoring and observability with additional features for enterprise environments.

3

How does CVE-2023-4399 affect Grafana?

CVE-2023-4399 affects Grafana versions between 9.4.0 and 9.4.17, 9.5.0 and 9.5.13, 10.0.0 and 10.0.9, and 10.1.0 and 10.1.5.

4

What is the severity of CVE-2023-4399?

CVE-2023-4399 has a severity rating of high, with a CVSS score of 7.2.

5

Is there a fix available for CVE-2023-4399?

Yes, Grafana has released a security advisory with mitigation steps. Please refer to the reference link for more information.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203