How severe is CVE-2021-27962?

CVE-2021-27962 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2021-27962 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-27962?

CVE-2021-27962 affects Grafana. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-27962?

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-2021-27962 published?

CVE-2021-27962 was published on 2021-03-22 and last updated on 2026-06-17.

CVE-2021-27962

CVE-2021-27962 is a high-severity vulnerability in Grafana with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.1)
CVSS v2: 4.9
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Grafana
Published: 2021-03-22
Last modified: 2026-06-17

Description

Grafana Enterprise 7.2.x and 7.3.x before 7.3.10 and 7.4.x before 7.4.5 allows a dashboard editor to bypass a permission check concerning a data source they should not be able to access.

Frequently asked questions

What is CVE-2021-27962?: Grafana Enterprise 7.2.x and 7.3.x before 7.3.10 and 7.4.x before 7.4.5 allows a dashboard editor to bypass a permission check concerning a data source they should not be able to access.
How severe is CVE-2021-27962?: CVE-2021-27962 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2021-27962 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-27962?: CVE-2021-27962 affects Grafana. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-27962?: 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-2021-27962 published?: CVE-2021-27962 was published on 2021-03-22 and last updated on 2026-06-17.

References

Affected products (1)

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

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