Is CVE-2021-43798 in the CISA KEV catalog?

Yes. CVE-2021-43798 is on the CISA Known Exploited Vulnerabilities list, added 2025-10-09.

What is the CVSS severity of CVE-2021-43798?

CVE-2021-43798 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2021-43798?

CVE-2021-43798 has an EPSS score of 88.85% (100th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-43798?

Upgrade GrafanaEnterprise to 8.0.7 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2021-43798

HIGHCISA KEVEPSS 100th pctl

7.5

CVSS v3

NVD

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.

CWE-22Path Traversal

How to fix

Remediation Available

GrafanaEnterpriseWindows application

Affected:8.0.1 8.0.7Fixed in:8.0.7Grafana Labs

Affected:8.1.0 8.1.8Fixed in:8.1.8Grafana Labs

Affected:8.2.0 8.2.7Fixed in:8.2.7Grafana Labs

GrafanaOSSWindows application

Affected:8.1.0 8.1.8Fixed in:8.1.8Grafana Labs

Affected:8.0.1 8.0.7Fixed in:8.0.7Grafana Labs

Affected:8.2.0 8.2.7Fixed in:8.2.7Grafana Labs

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

88.85%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Grafana Path Traversal Vulnerability

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

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

Remediation due: 2025-10-30

References

Patch4

Exploit1

packetstormsecurity.com

Vendor Advisory1

grafana.com

Third-Party Advisory2

Government Resource1

cisa.gov

Related Vulnerabilities

Other CWE-22 (Path Traversal) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-23897	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-32315	High	8.6	100%	KEV	Fix
CVE-2022-29464	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-26086	Medium	5.3	100%	KEV	Fix
CVE-2021-22005	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-5902	Critical	9.8	100%	KEV + Ransom	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-24.