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.

CVSS v3 9.4 CRITICAL

9.4^/10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact LOW

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:grafana:grafana:::::-:::*
	cpe:2.3:a:grafana:grafana:::::enterprise:::*
	cpe:2.3:a:grafana:grafana:::::-:::*
	cpe:2.3:a:grafana:grafana:::::enterprise:::*
	cpe:2.3:a:grafana:grafana:::::-:::*
	cpe:2.3:a:grafana:grafana:::::enterprise:::*
	cpe:2.3:a:grafana:grafana:::::-:::*
	cpe:2.3:a:grafana:grafana:::::enterprise:::*
	cpe:2.3:a:grafana:grafana:::::-:::*
	cpe:2.3:a:grafana:grafana:::::enterprise:::*

History

13 Feb 2025, 17:16

Type	Values Removed	Values Added
Summary	(en) 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.	(en) 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.

21 Nov 2024, 08:16

Type	Values Removed	Values Added
References	~~() https://github.com/grafana/bugbounty/security/advisories/GHSA-gxh2-6vvc-rrgp - Vendor Advisory~~	() https://github.com/grafana/bugbounty/security/advisories/GHSA-gxh2-6vvc-rrgp - Vendor Advisory
References	~~() https://grafana.com/security/security-advisories/cve-2023-3128/ - Vendor Advisory~~	() https://grafana.com/security/security-advisories/cve-2023-3128/ - Vendor Advisory
References	~~() https://security.netapp.com/advisory/ntap-20230714-0004/ - Third Party Advisory~~	() https://security.netapp.com/advisory/ntap-20230714-0004/ - Third Party Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~9.8~~	v2 : unknown v3 : 9.4

Information

Published : 2023-06-22 21:15

Updated : 2025-02-13 17:16

NVD link : CVE-2023-3128

Mitre link : CVE-2023-3128

CVE.ORG link : CVE-2023-3128

JSON object : View

Products Affected

grafana

grafana

CWE

CWE-290

Authentication Bypass by Spoofing

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9.4 /10