How severe is CVE-2019-15043?

CVE-2019-15043 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 none, integrity none, and availability high.

Is CVE-2019-15043 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 63% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-15043?

CVE-2019-15043 affects Grafana. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-15043?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-15043 published?

CVE-2019-15043 was published on 2019-09-03 and last updated on 2026-06-17.

CVE-2019-15043

CVE-2019-15043 is a high-severity vulnerability in Grafana with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 63% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-306.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 63% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Grafana
Published: 2019-09-03
Last modified: 2026-06-17

Description

In Grafana 2.x through 6.x before 6.3.4, parts of the HTTP API allow unauthenticated use. This makes it possible to run a denial of service attack against the server running Grafana.

Frequently asked questions

What is CVE-2019-15043?: In Grafana 2.x through 6.x before 6.3.4, parts of the HTTP API allow unauthenticated use. This makes it possible to run a denial of service attack against the server running Grafana.
How severe is CVE-2019-15043?: CVE-2019-15043 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 none, integrity none, and availability high.
Is CVE-2019-15043 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 63% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-15043?: CVE-2019-15043 affects Grafana. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-15043?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-15043 published?: CVE-2019-15043 was published on 2019-09-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:*

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