Vulnerability Report

CVE-2021-28146

Title: Grafana Auth Bypass

Auth Bypass

Proof Of Concept

No public PoC currently indexed for CVE-2021-28146.

CWE Category CWE-863
Published Date Mar 22, 2021
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 6.5 CVSS v3.1
Exploit Probability (EPSS)
1.40%

Vulnerability Summary

CVE-2021-28146: 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.

Impacted Vendors

G
grafana 1

Reference Links

https://community.grafana.com/t/grafana-enterprise-6-7-6-7-3-10-and-7-4-5-security-update/44724 https://community.grafana.com/t/release-notes-v6-7-x/27119 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/ https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-3-10/ https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-4-5/ https://grafana.com/products/enterprise/ https://www.openwall.com/lists/oss-security/2021/03/19/5 https://community.grafana.com/t/grafana-enterprise-6-7-6-7-3-10-and-7-4-5-security-update/44724 https://community.grafana.com/t/release-notes-v6-7-x/27119 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/ https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-3-10/ https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-4-5/ https://grafana.com/products/enterprise/ https://www.openwall.com/lists/oss-security/2021/03/19/5
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
6.5
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
4.0
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:S/C:N/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-28146 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Affected Stack

No specific products linked.