HackZoneLabs News
Newsletter

CVE-2021-43798

Grafana path traversal

  • High 7.5
  • Exploited: added to CISA KEV 9 Oct 2025

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.

Key facts

Published
7 Dec 2021
Last changed
21 Oct 2025
Assigned by
GitHub_M
KEV added
9 Oct 2025
KEV fix due
30 Oct 2025
EPSS
88.503% likely to be exploited in the next 30 days, higher than 99.775% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: active; Automatable: yes; Technical impact: partial

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 7.5CVSS 3.1, Highfrom the CNA (GitHub_M)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

What to do

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

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
grafanagrafana
  • >= 8.0.0, < 8.0.7 (affected)
  • >= 8.1.0, < 8.1.8 (affected)
  • >= 8.2.0, < 8.2.7 (affected)
  • = 8.3.0 (affected)

Timeline

  1. 7 Dec 2021 Published
  2. 9 Oct 2025 CVE-2021-43798 added to CISA KEV
  3. 9 Oct 2025 Added to the CISA KEV catalogue

Weakness

Practice this bug class

HackZoneLabs has a hands-on lab on Path traversal (CWE-22).

Open the learning platform

References