CVE-2023-3128

CRITICALCVSS 9.8/10EPSS 4.09%

Last modified

CVE-2023-3128 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Grafana is validating Azure AD accounts based on the email claim. On Azure AD, the profile email field is not unique and can be easily modified. EPSS estimates a 4.09% chance of exploitation in the next 30 days.

Description

Grafana is validating Azure AD accounts based on the email claim. On Azure AD, the profile email field is not unique and can be easily modified. This leads to account takeover and authentication bypass when Azure AD OAuth is configured with a multi-tenant app.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
4.09%

89.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GrafanaGrafana>= 6.7.0, < 8.5.27
GrafanaGrafana>= 9.2.0, < 9.2.20
GrafanaGrafana>= 9.3.0, < 9.3.16
GrafanaGrafana>= 9.4.0, < 9.4.13
GrafanaGrafana>= 9.5.0, < 9.5.4

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-3128?
Grafana is validating Azure AD accounts based on the email claim. On Azure AD, the profile email field is not unique and can be easily modified. This leads to account takeover and authentication bypass when Azure AD OAuth is configured with a multi-tenant app.
How severe is CVE-2023-3128?
CVE-2023-3128 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 4.09% probability of exploitation in the next 30 days.
How do I fix CVE-2023-3128?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-3128?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST