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CVE-2023-3128

9.4 · CRITICAL

Grafana is validating Azure AD accounts based on the email claim.

Published Jun 22, 2023CWE-290EPSS 4.00%

Overview

CVE-2023-3128 is a critical-severity vulnerability. It was published on June 22, 2023 and has a CVSS 3.1 base score of 9.4 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.4, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/grafana/bugbounty/security/advisories/GHSA-gxh2-6vvc-rrgpRefgrafana.com/security/security-advisories/cve-2023-3128/Refsecurity.netapp.com/advisory/ntap-20230714-0004/GitHubgithub.com/grafana/bugbounty/security/advisories/GHSA-gxh2-6vvc-rrgpRefgrafana.com/security/security-advisories/cve-2023-3128/Refsecurity.netapp.com/advisory/ntap-20230714-0004/

How CyberStrike helps

Frequently asked questions

What is CVE-2023-3128?

CVE-2023-3128 is a critical-severity vulnerability. It was published on June 22, 2023 and has a CVSS 3.1 base score of 9.4 (CRITICAL).

How severe is CVE-2023-3128?

This vulnerability has a CVSS 3.1 base score of 9.4, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-3128?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-3128?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-3128 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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