How severe is CVE-2021-43798?

CVE-2021-43798 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-43798 being actively exploited?

Yes. CVE-2021-43798 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2025-10-09, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2021-43798?

CVE-2021-43798 primarily affects Grafana. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-43798?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2021-43798 have an EU (EUVD) identifier?

Yes. CVE-2021-43798 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0581. It is also flagged as exploited in the EUVD (since 2025-10-09).

When was CVE-2021-43798 published?

CVE-2021-43798 was published on 2021-12-07 and last updated on 2026-06-17.

CVE-2021-43798

CVE-2021-43798 is a high-severity vulnerability in Grafana with a CVSS 3.x base score of 7.5. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2025-10-09). The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 89% (100th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2025-10-09)
EU (EUVD) id: EUVD-2024-0581
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2025-10-09)
Weakness: CWE-22
Affected product: Grafana
Published: 2021-12-07
Last modified: 2026-06-17

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.

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.
How severe is CVE-2021-43798?: CVE-2021-43798 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-43798 being actively exploited?: Yes. CVE-2021-43798 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2025-10-09, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2021-43798?: CVE-2021-43798 primarily affects Grafana. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-43798?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2021-43798 have an EU (EUVD) identifier?: Yes. CVE-2021-43798 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0581. It is also flagged as exploited in the EUVD (since 2025-10-09).
When was CVE-2021-43798 published?: CVE-2021-43798 was published on 2021-12-07 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:*
cpe:2.3:a:grafana:grafana:8.0.0:beta1:*:*:*:*:*:*
cpe:2.3:a:grafana:grafana:8.0.0:beta2:*:*:*:*:*:*
cpe:2.3:a:grafana:grafana:8.0.0:beta3:*:*:*:*:*:*
cpe:2.3:a:grafana:grafana:8.3.0:*:*:*:*:*:*:*

More vulnerabilities in Grafana

CVE-2025-41115 — Critical (CVSS 10.0): SCIM provisioning was introduced in Grafana Enterprise and Grafana Cloud in April to improve how organizations manage…
CVE-2024-9264 — Critical (CVSS 9.9): The SQL Expressions experimental feature of Grafana allows for the evaluation of `duckdb` queries containing user…
CVE-2022-39328 — Critical (CVSS 9.8): Grafana is an open-source platform for monitoring and observability. Versions starting with 9.2.0 and less than 9.2.4…
CVE-2022-28660 — Critical (CVSS 9.8): The querier component in Grafana Enterprise Logs 1.1.x through 1.3.x before 1.4.0 does not require authentication when…
CVE-2022-26148 — Critical (CVSS 9.8): An issue was discovered in Grafana through 7.3.4, when integrated with Zabbix. The Zabbix password can be found in the…
CVE-2021-39226 — Critical (CVSS 9.8): Grafana is an open source data visualization platform. In affected versions unauthenticated and authenticated users are…

All CVEs affecting Grafana →

Other CWE-22 (Path Traversal) vulnerabilities

CVE-2026-55393 — Critical (CVSS 10.0): Unvalidated pathnames in the web interface in Teledyne FLIR Aware2 versions through 6.9.0.2 (PackBot) and 1.7.9…
CVE-2026-97163 — Critical (CVSS 10.0): Joomla Extension - lomart.fr - Unauthenticated remote code installation in UP plugin extension 5.0.0-5.2.0, 6.0.0-6.0.29
CVE-2026-80155 — Critical (CVSS 10.0): Lantronix SLC8000 before firmware v9.7.0.5, SLC9000 before firmware v9.7.0.2, EMG8500/EMG7500 before firmware v9.7.0.1,…
CVE-2026-70200 — Critical (CVSS 10.0): Improper limitation of a pathname to a restricted directory ('path traversal') in Azure Logic Apps allows an…
CVE-2026-85706 — Critical (CVSS 10.0): GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.7 before 18.11.12, 19.0 before 19.0.9,…
CVE-2026-76606 — Critical (CVSS 10.0): Joomla Extension - fabrikar.com - Path Traversal via image element in Fabrik < 4.7.2.

Browse all CWE-22 (Path Traversal) vulnerabilities →

Threat intelligence

Threat-intel indicators referencing this CVE:

45.175.59.2 (ipv4-addr)