CVE DATABASE / CVE-2021-43798
CVE-2021-43798
Grafana Path Traversal Vulnerability
Confirmed exploited in the wild. Added 2025-10-09.
Federal remediation due 2025-10-30.
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Summary
Grafana is an open-source platform for monitoring and observability. Grafana versions 8.0.0-beta1 through 8.3.0 (except for patched versions) iss vulnerable to directory traversal, allowing access to local files. The vulnerable URL path is: `<grafana_host_url>/public/plugins//`, where is the plugin ID for any installed plugin. At no time has Grafana Cloud been vulnerable. Users are advised to upgrade to patched versions 8.0.7, 8.1.8, 8.2.7, or 8.3.1. The GitHub Security Advisory contains more information about vulnerable URL paths, mitigation, and the disclosure timeline.
CVSS 3.1 breakdown
| Base score | 7.5 (HIGH) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| Attack vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | NONE |
| Availability | NONE |
Weakness type (CWE)
Affected products
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References
- http://packetstormsecurity.com/files/165198/Grafana-Arbitrary-File-Reading.html
- http://packetstormsecurity.com/files/165221/Grafana-8.3.0-Directory-Traversal-Arbitrary-File-Read.html
- http://www.openwall.com/lists/oss-security/2021/12/09/2
- http://www.openwall.com/lists/oss-security/2021/12/10/4
- https://github.com/grafana/grafana/commit/c798c0e958d15d9cc7f27c72113d572fa58545ce
- https://github.com/grafana/grafana/security/advisories/GHSA-8pjx-jj86-j47p
- https://grafana.com/blog/2021/12/08/an-update-on-0day-cve-2021-43798-grafana-directory-traversal/
- https://security.netapp.com/advisory/ntap-20211229-0004/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-43798
Data: NIST NVD + CISA KEV. NVD last modified 2025-10-24. Always verify against the vendor advisory before acting.