Vulnerability Report

CVE-2021-28148

Title: Grafana Auth Bypass

Auth Bypass

Proof Of Concept

No public PoC currently indexed for CVE-2021-28148.

CWE Category CWE-306

Published Date Mar 22, 2021

Modified Date Nov 21, 2024

Exploit Status Not Found

Score 7.5 CVSS v3.1

Exploit Probability (EPSS)

3.50%

Vulnerability Summary

CVE-2021-28148: One of the usage insights HTTP API endpoints in Grafana Enterprise 6.x before 6.7.6, 7.x before 7.3.10, and 7.4.x before 7.4.5 is accessible without any authentication. This allows any unauthenticated user to send an unlimited number of requests to the endpoint, leading to a denial of service (DoS) attack against a Grafana Enterprise instance.

Impacted Vendors

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://security.netapp.com/advisory/ntap-20210430-0005/ 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://security.netapp.com/advisory/ntap-20210430-0005/ https://www.openwall.com/lists/oss-security/2021/03/19/5

CVSS v3.1

Source Entity [email protected]

Severity HIGH

7.5

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:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-28148 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

November 21, 2024 MODIFIED

Vulnerability data or affected products updated.

March 22, 2021 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:N/UI:N/S:U/C:N/I:N/A:H

Affected Stack

No specific products linked.