CVE-2021-43798

KEVGrafana Path Traversal Vulnerability

Description

Grafana contains a path traversal vulnerability that could allow access to local files.

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.

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

PublishedDec 7, 2021

Last modifiedJun 17, 2026

Added to KEVOct 9, 2025

Remediation dueOct 30, 2025

References

packetstormsecurity.com/files/165198/Grafana-Arbitrary-File-Reading.htmlThird Party AdvisoryVDB Entry
packetstormsecurity.com/files/165221/Grafana-8.3.0-Directory-Traversal-Arbitrary-File-Read.htmlExploitThird Party Advisory
openwall.com/lists/oss-security/2021/12/09/2Mailing ListPatch
openwall.com/lists/oss-security/2021/12/10/4Mailing ListPatch
github.com/grafana/grafana/commit/c798c0e958d15d9cc7f27c72113d572fa58545cePatchThird Party Advisory
github.com/grafana/grafana/security/advisories/GHSA-8pjx-jj86-j47pPatchVendor Advisory
grafana.com/blog/2021/12/08/an-update-on-0day-cve-2021-43798-grafana-directory-traversal/Vendor Advisory
security.netapp.com/advisory/ntap-20211229-0004/Third Party Advisory
cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-43798US Government Resource

0 recent articles mention this CVE

Risk assessment · High

Actively exploited. Patch immediately.

Exploitation: Confirmed in the wild (CISA KEV)
Federal remediation deadline: Overdue by 363 days
CVSS: 7.5 HIGH
EPSS (30-day exploit probability): 88.5% · top 1% of all CVEs
Weakness: CWE-22
Attack vector: Network, remotely reachable
Preconditions: No privileges and no user interaction

Recommended actions

1.Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
2.Treat as emergency change: patch or isolate internet-facing instances first.
3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.

Assessment is derived automatically from the live signals above; verify against your own asset inventory.