Actively exploited · Published Dec 7, 2021 · Assigned by GitHub_M

CVE-2021-43798Grafana path traversal

High 7.5 Exploited

In plain English

A high-severity path traversal in grafana from grafana. Attackers are actively exploiting it in the wild (listed by CISA on October 9, 2025). The chance it is exploited in the next 30 days is estimated at 88.5% (higher than 99.8% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, Nuclei, public proof-of-concept code. Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)88.5%top 0.2% of all CVEs
Exploited in the wildYesCISA KEV since Oct 9, 2025
Attack tooling3Metasploit, Nuclei, Public PoC

CISA guidance

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Federal agencies must remediate by Oct 30, 2025.

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20grafana8.3.1-r0ALPINE-CVE-2021-43798
Alpine:v3.21grafana8.3.1-r0ALPINE-CVE-2021-43798
Alpine:v3.22grafana8.3.1-r0ALPINE-CVE-2021-43798
Alpine:v3.23grafana8.3.1-r0ALPINE-CVE-2021-43798
Alpine:v3.24grafana8.3.1-r0ALPINE-CVE-2021-43798
Gogithub.com/grafana/grafana8.3.1GHSA-8pjx-jj86-j47p
Gogithub.com/grafana/grafana8.2.7GHSA-8pjx-jj86-j47p
Gogithub.com/grafana/grafana8.1.8GHSA-8pjx-jj86-j47p
Gogithub.com/grafana/grafana8.0.7GHSA-8pjx-jj86-j47p

Affected products (as reported)

VendorProductVersions
grafana grafana >= 8.0.0, < 8.0.7>= 8.1.0, < 8.1.8>= 8.2.0, < 8.2.7= 8.3.0

Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References