Vulnerability · Published Mar 22, 2021 · Assigned by mitre

CVE-2021-28146

Medium 6.5

In plain English

A medium-severity security flaw in the grafana package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 73% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)6.5Medium

Exploit odds (30 days)1.4%top 27.5% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

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

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Alpine:v3.20	grafana	7.4.5-r0	ALPINE-CVE-2021-28146
Alpine:v3.21	grafana	7.4.5-r0	ALPINE-CVE-2021-28146
Alpine:v3.22	grafana	7.4.5-r0	ALPINE-CVE-2021-28146
Alpine:v3.23	grafana	7.4.5-r0	ALPINE-CVE-2021-28146
Alpine:v3.24	grafana	7.4.5-r0	ALPINE-CVE-2021-28146

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

https://community.grafana.com/t/release-notes-v6-7-x/27119 x_refsource_MISC
https://grafana.com/products/enterprise/ x_refsource_MISC
https://www.openwall.com/lists/oss-security/2021/03/19/5 x_refsource_CONFIRM
https://grafana.com/blog/2021/03/18/grafana-6.7.6-7.3.10-and-7.4.5-released-with-important-security-fixes-for-grafana-enterprise/ x_refsource_CONFIRM
https://community.grafana.com/t/grafana-enterprise-6-7-6-7-3-10-and-7-4-5-security-update/44724 x_refsource_MISC
https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-3-10/ x_refsource_MISC
https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-4-5/ x_refsource_MISC