Vulnerability Report

CVE-2023-3128

Title: Grafana Auth Bypass

Auth Bypass

Proof Of Concept

PoC Available for CVE-2023-3128

CWE Category CWE-290
Published Date Jun 22, 2023
Modified Date Feb 13, 2025
Exploit Status Available
Score 9.4 CVSS v3.1
Exploit Probability (EPSS)
3.99%

Vulnerability Summary

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.

Impacted Vendors

G
grafana 1

Reference Links

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/
CVSS v3.1
Source Entity [email protected]
Severity CRITICAL
9.4
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
CVSS v3.1
Source Entity [email protected]
Severity CRITICAL
9.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2023-3128 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/spyata123/CVE-2023-3128
View Code
MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

Affected Stack

No specific products linked.