CVE-2021-27358

grafana: snapshot feature allow an unauthenticated remote attacker to trigger a DoS via a remote API call

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The snapshot feature in Grafana 6.7.3 through 7.4.1 can allow an unauthenticated remote attackers to trigger a Denial of Service via a remote API call if a commonly used configuration is set.

La funcionalidad snapshot en Grafana versiones 6.7.3 hasta la 7.4.1, puede permitir a atacantes remotos no autenticados desencadenar una Denegación de Servicio por medio de una llamada de la API remota si es ajustada una configuración usada comúnmente

A flaw was found in Grafana. The snapshot feature allows unauthenticated remote attackers to trigger a denial of service (DoS) via a remote API call if anonymous access is enabled. The highest threat from this vulnerability is to system availability.

Red Hat Advanced Cluster Management for Kubernetes 2.3.0 images Red Hat Advanced Cluster Management for Kubernetes provides the capabilities to address common challenges that administrators and site reliability engineers face as they work across a range of public and private cloud environments. Clusters and applications are all visible and managed from a single console—with security policy built in. This advisory contains the container images for Red Hat Advanced Cluster Management for Kubernetes, which fix several bugs and security issues. Issues addressed include code execution, cross site scripting, denial of service, integer overflow, and null pointer vulnerabilities.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-02-16 CVE Reserved
2021-03-18 CVE Published
2024-08-03 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-400: Uncontrolled Resource Consumption

CAPEC

References (6)

URL	Tag	Source
https://github.com/grafana/grafana/blob/master/CHANGELOG.md	Release Notes
https://github.com/grafana/grafana/blob/master/CHANGELOG.md#742-2021-02-17	Release Notes
https://security.netapp.com/advisory/ntap-20210513-0007	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-4-2	2022-05-23
https://access.redhat.com/security/cve/CVE-2021-27358	2021-11-09
https://bugzilla.redhat.com/show_bug.cgi?id=1941024	2021-11-09

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Grafana Search vendor "Grafana"		Grafana Search vendor "Grafana" for product "Grafana"				>= 6.7.3 <= 7.4.1 Search vendor "Grafana" for product "Grafana" and version " >= 6.7.3 <= 7.4.1"		-		Affected
Netapp Search vendor "Netapp"		E-series Performance Analyzer Search vendor "Netapp" for product "E-series Performance Analyzer"				-		-		Affected