Is CVE-2021-28147 in the CISA KEV catalog?

No. CVE-2021-28147 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-28147?

CVE-2021-28147 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2021-28147?

CVE-2021-28147 has an EPSS score of 1.61% (73th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-28147?

Upgrade GrafanaEnterprise to 6.7.6 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2021-28147

MEDIUMEPSS 73th pctl

6.5

CVSS v3

NVD

Description

The team sync HTTP API in Grafana Enterprise 6.x before 6.7.6, 7.x before 7.3.10, and 7.4.x before 7.4.5 has an Incorrect Access Control issue. On Grafana instances using an external authentication service and having the EditorsCanAdmin feature enabled, this vulnerability allows any authenticated user to add external groups to any existing team. This can be used to grant a user team permissions that the user isn't supposed to have.

How to fix

Remediation Available

GrafanaEnterpriseWindows application

Affected:6.0.0 6.7.6Fixed in:6.7.6Grafana Labs

Affected:7.0.0 7.3.10Fixed in:7.3.10Grafana Labs

Affected:7.4.0 7.4.5Fixed in:7.4.5Grafana Labs

GrafanaOSSWindows application

Affected:7.0.0 7.3.10Fixed in:7.3.10Grafana Labs

Affected:7.4.0 7.4.5Fixed in:7.4.5Grafana Labs

Affected:6.0.0 6.7.6Fixed in:6.7.6Grafana Labs

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 RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

1.61%probability of exploitation in 30 days

73rdpercentile

Elevated risk: more likely to be exploited than 73% of all known CVEs.

References

Vendor Advisory6

Third-Party Advisory2

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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 2024-11-21.