HIGH CISA KEV

CVE-2021-43798

CVSS v3

7.5

HIGH

EPSS Score

94.4%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

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.

CISA Known Exploited Vulnerability

Date Added
10/9/2025
Patch Due Date
10/30/2025
Ransomware Use
Unknown

Technical details

Published
12/7/2021
Exploit-DB
EDB-50581

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.

Is CVE-2021-43798 actively exploited?

Yes. CVE-2021-43798 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 10/30/2025.

What is the CVSS score for CVE-2021-43798?

CVE-2021-43798 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2021-43798 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.