What is CVE-2023-3128?

CVE-2023-3128 is a critical-severity vulnerability in Grafana, classified under Authentication Bypass by Spoofing. CVSS score: 9.4/10. Published 2023-06-22.

How severe is CVE-2023-3128?

Critical severity. CVSS v3 base score is 9.4 out of 10.

Is CVE-2023-3128 known to be exploited?

5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Grafana

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…

EPSS: 0.019 (83.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.4 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L.

Affected products

Grafana — versions 9.5.0, 9.4.0, 9.3.0
Grafana Enterprise — versions 9.5.0, 9.4.0, 9.3.0

Weakness classification (CWE)

CWE-290 — Authentication Bypass by Spoofing

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-3128?: CVE-2023-3128 is a critical-severity vulnerability in Grafana, classified under Authentication Bypass by Spoofing. CVSS score: 9.4/10. Published 2023-06-22.
How severe is CVE-2023-3128?: Critical severity. CVSS v3 base score is 9.4 out of 10.
Is CVE-2023-3128 known to be exploited?: 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.