CVE-2021-43798

Name: CVE-2021-43798
Creator: NVD / NIST
Published: 2021-12-07T19:15:07.633+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10Actively ExploitedEPSS 88.85%

Last modified Jun 17, 2026

CVE-2021-43798 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. CISA has confirmed active exploitation in the wild. EPSS estimates a 88.85% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

88.85%

99.8th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Oct 30, 2025.

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions	Update
Grafana	Grafana	>= 8.0.1, < 8.0.7	—
Grafana	Grafana	>= 8.1.0, < 8.1.8	—
Grafana	Grafana	>= 8.2.0, < 8.2.7	—
Grafana	Grafana	8.0.0	Beta1
Grafana	Grafana	8.3.0	—

References

http://packetstormsecurity.com/files/165198/Grafana-Arbitrary-File-Reading.htmlThird Party Advisory, VDB Entry
http://packetstormsecurity.com/files/165221/Grafana-8.3.0-Directory-Traversal-Arbitrary-File-Read.htmlExploit, Third Party Advisory, VDB Entry
http://www.openwall.com/lists/oss-security/2021/12/09/2Mailing List, Patch, Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/12/10/4Mailing List, Patch, Third Party Advisory
https://github.com/grafana/grafana/commit/c798c0e958d15d9cc7f27c72113d572fa58545cePatch, Third Party Advisory
https://github.com/grafana/grafana/security/advisories/GHSA-8pjx-jj86-j47pPatch, Vendor 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
http://packetstormsecurity.com/files/165198/Grafana-Arbitrary-File-Reading.htmlThird Party Advisory, VDB Entry
http://packetstormsecurity.com/files/165221/Grafana-8.3.0-Directory-Traversal-Arbitrary-File-Read.htmlExploit, Third Party Advisory, VDB Entry
http://www.openwall.com/lists/oss-security/2021/12/09/2Mailing List, Patch, Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/12/10/4Mailing List, Patch, Third Party Advisory
https://github.com/grafana/grafana/commit/c798c0e958d15d9cc7f27c72113d572fa58545cePatch, Third Party Advisory
https://github.com/grafana/grafana/security/advisories/GHSA-8pjx-jj86-j47pPatch, Vendor 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

Timeline

Published: Dec 7, 2021
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2021-43798?

How severe is CVE-2021-43798?

CVE-2021-43798 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 88.85% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2021-43798?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-43798?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST