Grafana Path Traversal Vulnerability
grafana — grafana
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.
7.5
88.8%
Vector breakdown
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Published
- Dec 7, 2021
- Modified
- Oct 21, 2025
- Added to KEV
- Oct 9, 2025
- Federal patch due
- Oct 30, 2025
CISA 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.
Weakness classification
Proof-of-concept & exploitation references
Weaponization
Public repositories whose name or description references CVE-2021-43798, found via a live GitHub search at request time. These are community-sourced signals, not a verified working exploit - cross-check each one before relying on it, and treat higher star counts and recent activity as (weak) corroboration, not proof.
No public GitHub repositories referencing CVE-2021-43798 were found at last check. Absence here is not proof no exploit exists - see the references below for vendor advisories and write-ups.
References
Frequently asked questions
What is CVE-2021-43798?
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.
How severe is CVE-2021-43798?
CVE-2021-43798 has a CVSS base score of 7.5 out of 10 (CVSS 3.1).
Is CVE-2021-43798 actively exploited in the wild?
Yes. CVE-2021-43798 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added Oct 9, 2025, meaning CISA has confirmed evidence of active exploitation.
What is the EPSS score for CVE-2021-43798?
88.8% - meaning FIRST.org's EPSS model estimates a 88.8% probability this vulnerability will be exploited in the wild within 30 days (100% percentile among all scored CVEs).
Is there exploit tooling available for CVE-2021-43798?
Yes - a public Nuclei template referencing CVE-2021-43798 exist in public repositories we checked.
What type of vulnerability is CVE-2021-43798?
CVE-2021-43798 is classified under CWE-22 (CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')).
Cross-checked against
Impactr finds and proves whether CVE-2021-43798 - or flaws like it - are actually reachable in your own web apps and APIs, with a reproducible exploit as evidence.
Join the waitlist