CVE-2021-43798

Grafana Path Traversal

7.5 HIGHActively exploited (CISA KEV)Public exploitEPSS 88.5%

Published7 Dec 2021
Added to CISA KEV9 Oct 2025
Remediation due30 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.

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Affected products

Grafana≥ 8.0.1 < 8.0.7 · ≥ 8.1.0 < 8.1.8 · ≥ 8.2.0 < 8.2.7 · 8.0.0

Remediation

Fixed in

Grafana≥ 8.0.7

Patch & vendor advisories

References

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

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

Frequently asked

Is CVE-2021-43798 being actively exploited?

Yes. CVE-2021-43798 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 9 Oct 2025.

How severe is CVE-2021-43798?

CVE-2021-43798 has a CVSS 3.1 base score of 7.5, rated high. EPSS estimates a 88.5% probability of exploitation.

Which products are affected by CVE-2021-43798?

Affected products include Grafana.

How do I fix CVE-2021-43798?

Upgrade affected software to a fixed version, for example Grafana 8.0.7 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2021-43798 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.