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CVE-2021-43798

7.5, high Known exploited

Grafana Path Traversal Vulnerability

NVD (opens in a new tab) CVE.org (opens in a new tab) CISA KEV catalogue (opens in a new tab)
CVSS
7.5, high high CVSS v3.1
EPSS, next 30 days
89% higher than 99.7% of scored CVEs
Exploitation
Confirmed in the wild
Published
7 Dec 20214 years ago

Known exploited

CISA added this to the Known Exploited Vulnerabilities Catalog on 9 Oct 2025. US federal agencies had to remediate by 30 Oct 2025, a deadline that has passed.

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.

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.

Details

Vendor
Grafana Labs
Product
grafana
Weakness
CWE-22 (opens in a new tab)
Status
Analyzed
Updated
17 Jun 2026
Assigner
security-advisories@github.com

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References 9

Exploit code 2

Patches and fixes 4

Advisories 2

Other references 1

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other Grafana Labs CVEs

Every Grafana Labs CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2021-39226 Grafana Authentication Bypass Vulnerability KEV EPSS 100% 7.3, high

Beyond this page

Is CVE-2021-43798 in your network?

This page tells you how dangerous CVE-2021-43798 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

CVE-2021-43798 is in the CISA catalogue of exploited vulnerabilities: attackers are already exploiting it.

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    Detect it if it's exploited

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Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 17 Oct 2026, not the live upstream state.