CVE-2023-3128
9.4
CRITICAL · CVSS 3.1 · EPSS 4% (pctl 90)
In your normal cycle
Critical by CVSS (9.4), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.4 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L |
| EPSS | 4% — more likely to be exploited than 90% of all CVEs |
| Weakness | CWE-290 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2023-06-22 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| grafana | grafana |
References
- https://github.com/grafana/bugbounty/security/advisories/GHSA-gxh2-6vvc-rrgp
- https://grafana.com/security/security-advisories/cve-2023-3128/
- https://security.netapp.com/advisory/ntap-20230714-0004/
- https://github.com/grafana/bugbounty/security/advisories/GHSA-gxh2-6vvc-rrgp
- https://grafana.com/security/security-advisories/cve-2023-3128/
- https://security.netapp.com/advisory/ntap-20230714-0004/
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