VulnerabilityModified
CVE-2023-3128
This leads to account takeover and authentication bypass when Azure AD OAuth is configured with a multi-tenant app.
CRITICAL 9.8EPSS 4.00%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.00%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 4.00% probability · 90th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-290
- Affected
- grafana/grafana
- Source
- security@grafana.com
References
- https://github.com/grafana/bugbounty/security/advisories/GHSA-gxh2-6vvc-rrgpVendor Advisory
- https://grafana.com/security/security-advisories/cve-2023-3128/Vendor Advisory
- https://security.netapp.com/advisory/ntap-20230714-0004/Third Party Advisory
- https://github.com/grafana/bugbounty/security/advisories/GHSA-gxh2-6vvc-rrgpVendor Advisory
- https://grafana.com/security/security-advisories/cve-2023-3128/Vendor Advisory
- https://security.netapp.com/advisory/ntap-20230714-0004/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.