CVE-2021-43798
Grafana path traversal
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Description
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.
Official description from the CVE record, published by GitHub_M. Copyright © 1999-2026 The MITRE Corporation. See /security/cve/legal for the CVE license. View the record on cve.org
Key data
CVSS 3.1 High 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector: Network
The vulnerable component can be reached over a network, possibly from the Internet.
Attack complexity: Low
No special conditions are needed. The attack can be repeated at will.
Privileges required: None
No account or privileges are needed.
User interaction: None
No action from any user is needed.
Scope: Unchanged
The impact stays within the vulnerable component.
Confidentiality impact: High
Serious or total effect on the secrecy of data.
Integrity impact: None
No effect on the trustworthiness of data.
Availability impact: None
No effect on availability.
| Metric | Value | What it means |
|---|---|---|
| Attack vector | Network | The vulnerable component can be reached over a network, possibly from the Internet. |
| Attack complexity | Low | No special conditions are needed. The attack can be repeated at will. |
| Privileges required | None | No account or privileges are needed. |
| User interaction | None | No action from any user is needed. |
| Scope | Unchanged | The impact stays within the vulnerable component. |
| Confidentiality impact | High | Serious or total effect on the secrecy of data. |
| Integrity impact | None | No effect on the trustworthiness of data. |
| Availability impact | None | No effect on availability. |
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EPSS
- Score
- 0.88503 (88.5% probability)
- Percentile
- 99.8%
- Scores of
- Nov 10, 2026
- Model
- v2026.06.15
CISA Known Exploited Vulnerabilities
- Name in the catalog
- Grafana Path Traversal Vulnerability
- Added to the catalog
- Oct 9, 2025
- Federal due date
- Oct 30, 2025
CISA assessment as of Oct 9, 2025
- Exploitation
- Recorded by CISA as active
- Automatable
- yes
- Technical impact
- partial
Weakness (CWE)
- CWE-22Improper Limitation of a Pathname to a Restricted Directory
Affected products
grafana
- affected: >= 8.0.0, < 8.0.7
- affected: >= 8.1.0, < 8.1.8
- affected: >= 8.2.0, < 8.2.7
- affected: = 8.3.0
References
- github.com/grafana/grafana/security/advisories/GHSA-8pjx-jj…
- github.com/grafana/grafana/commit/c798c0e958d15d9cc7f27c721…
- packetstormsecurity.com/files/165198/Grafana-Arbitrary-File…
- grafana.com/blog/2021/12/08/an-update-on-0day-cve-2021-4379…
- packetstormsecurity.com/files/165221/Grafana-8.3.0-Director…
- [oss-security] 20211209 CVE-2021-43798 Grafana directory traversal (openwall.com)mailing-list
- [oss-security] 20211210 CVE-2021-43813 and CVE-2021-43815 - Grafana directory traversal for some .md and .csv files (openwall.com)mailing-list
- security.netapp.com/advisory/ntap-20211229-0004
Timeline
- ID reserved
- Record published
- Added to CISA KEV
- Record last updated
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About CubePath
Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:15 UTC. Sources and licenses