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....

9.4 CVSS

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.

Classification

CVE ID: CVE-2023-3128

CVSS Base Severity: CRITICAL

CVSS Base Score: 9.4

Affected Products

Vendor: Grafana

Product: Grafana

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.22% (probability of being exploited)

EPSS Percentile: 59.77% (scored less or equal to compared to others)

EPSS Date: 2025-02-03 (when was this score calculated)

References

https://grafana.com/security/security-advisories/cve-2023-3128/
https://github.com/grafana/bugbounty/security/advisories/GHSA-gxh2-6vvc-rrgp
https://security.netapp.com/advisory/ntap-20230714-0004/

Timeline