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 with a multi-tenant app.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.040 (90.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.040 · newest: 0.040 · change: 0.000
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)
Public proof-of-concept exploits
References
- grafana.com/security/security-advisories/cve-2023-3128/ (Vendor Advisory)
- github.com/grafana/bugbounty/security/advisories/GHSA-gxh2-6vvc-rrgp (Vendor Advisory)
- security.netapp.com/advisory/ntap-20230714-0004/ (Third Party Advisory)
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.