Vulnerability-Lookup

CVE-2021-27358 (GCVE-0-2021-27358)

Vulnerability from cvelistv5 – Published: 2021-03-18 19:43 – Updated: 2024-08-03 20:48

Shadowserver Previdian

Summary

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.

Severity

7.5 (High)


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

CWE

Assigner

mitre mitre root

References

4 references

URL	Tags
https://github.com/grafana/grafana/blob/master/CH…	x_refsource_CONFIRM
https://grafana.com/docs/grafana/latest/release-n…	x_refsource_CONFIRM
https://github.com/grafana/grafana/blob/master/CH…	x_refsource_CONFIRM
https://security.netapp.com/advisory/ntap-2021051…	x_refsource_CONFIRM

Shadowserver

Known Exploited Vulnerability - GCVE BCP-07 Compliant

KEV entry ID: 9ff865fb-de7f-456f-8e97-1bd5e9613f52

Vulnerability ID: CVE-2021-27358

Status: Confirmed

Status Updated: 2026-07-19 00:00 UTC

Exploited: Yes

Characteristics

Severity: 75.0

Timestamps

First Seen: 2026-05-01

Asserted: 2026-05-01

Last Seen: 2026-07-19

Scope

Asset Exposure: ['internet-facing']

Evidence

Type: Honeypot

Signal: In The Wild Attempts

Confidence: 70%

Source: shadowserver

Details

1D	1
Iot	no
Feed	Shadowserver Foundation honeypot/exploited-vulnerabilities
Type	http-scan
Class	data-visualization
7D Avg	1
Vendor	Grafana
30D Avg	1
90D Avg	2
Product	Grafana
Cisa Kev	no
Connections	1
Observation Date	2026-07-19
Vulnerability Class	CVSS
Vulnerability Score	7.5
Vulnerability Severity	High

References

Created: 2026-06-30 09:23 UTC | Updated: 2026-07-21 01:01 UTC

Previdian

Known Exploited Vulnerability - GCVE BCP-07 Compliant

KEV entry ID: 612a88d8-4624-46fa-ad5f-30557f8e6120

Vulnerability ID: CVE-2021-27358

Status: Confirmed

Status Updated: 2026-06-07 00:00 UTC

Exploited: Yes

Timestamps

First Seen: 2026-06-07

Asserted: 2026-06-07

Scope

Notes: KEVIntel entry: 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... | Affected: Grafana Labs / Grafana | CVSS: 7.5 (HIGH) | EPSS: 0.83042 | Used in malware: unknown | Not yet in CISA KEV: True

Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details

Feed	KEVIntel (kevintel.com)
Title	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...
Vendor	Grafana Labs
Product	Grafana
Added Date	2026-06-07T00:00:00.000Z
Cvss Score	7.5
Epss Score	0.83042
Cvss Severity	HIGH
Epss Percentile	0.99635
Used In Malware	unknown
Ahead Of Cisa Kev	None
Not Yet In Cisa Kev	True

References

Created: 2026-06-23 14:02 UTC | Updated: 2026-07-10 06:14 UTC

Show details on NVD website

JSON

To clipboard

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}

RHSA-2021_3016

Vulnerability from csaf_redhat - Published: 2021-08-06 00:48 - Updated: 2024-12-17 21:50

Summary

Red Hat Security Advisory: Red Hat Advanced Cluster Management for Kubernetes version 2.3

Severity

Important

Scope

31 vulnerabilities in this advisory, including CVE-2021-27358.

CVE-2021-27358

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.

7.5 (High)


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

Fixed: 2 products Known not affected: 141 products

https://access.redhat.com/errata/RHSA-2021:3016

Open the full advisory

RHSA-2021_4226

Vulnerability from csaf_redhat - Published: 2021-11-09 18:42 - Updated: 2024-12-16 15:19

Summary

Red Hat Security Advisory: grafana security, bug fix, and enhancement update

Severity

Moderate

Scope

5 vulnerabilities in this advisory, including CVE-2021-27358.

CVE-2021-27358

7.5 (High)


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

Fixed: 9 products

https://access.redhat.com/errata/RHSA-2021:4226

Open the full advisory

SUSE-SU-2021:1962-1

Vulnerability from csaf_suse - Published: 2021-06-11 13:13 - Updated: 2021-06-11 13:13

Summary

Security update for ardana-neutron, ardana-swift, cassandra, crowbar-openstack, grafana, kibana, openstack-dashboard, openstack-ironic, openstack-neutron, openstack-neutron-gbp, openstack-nova, python-Django1, python-py, python-pysaml2, python-xmlschema, rubygem-activerecord-session_store, venv-openstack-keystone

Severity

Moderate

Scope

23 vulnerabilities in this advisory, including CVE-2021-27358.

CVE-2021-27358

7.5 (High)


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

Recommended: 103 products

Open the full advisory

SUSE-SU-2021:1963-1

Vulnerability from csaf_suse - Published: 2021-06-11 13:14 - Updated: 2021-06-11 13:14

Summary

Security update for crowbar-openstack, grafana, kibana, monasca-installer, python-Django, python-py, rubygem-activerecord-session_store

Severity

Moderate

Scope

10 vulnerabilities in this advisory, including CVE-2021-27358.

CVE-2021-27358

7.5 (High)


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

Recommended: 9 products

Open the full advisory

SUSE-SU-2021:2554-1

Vulnerability from csaf_suse - Published: 2021-07-28 15:27 - Updated: 2021-07-28 15:27

Summary

Security update for ardana-cobbler, cassandra, cassandra-kit, crowbar-core, crowbar-openstack, documentation-suse-openstack-cloud, grafana, kibana, openstack-heat-templates, openstack-monasca-installer, openstack-nova, python-Django, python-elementpath, python-eventlet, python-py, python-pysaml2, python-six, python-xmlschema

Severity

Moderate

Scope

16 vulnerabilities in this advisory, including CVE-2021-27358.

CVE-2021-27358

7.5 (High)


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

Recommended: 147 products

Open the full advisory

SUSE-SU-2021:2660-1

Vulnerability from csaf_suse - Published: 2021-08-12 10:01 - Updated: 2021-08-12 10:01

Summary

Security update for grafana

Severity

Important

Scope

5 vulnerabilities in this advisory, including CVE-2021-27358.

CVE-2021-27358

7.5 (High)


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

Recommended: 4 products

Open the full advisory

UBUNTU-CVE-2021-27358 (CVE-2021-27358)

Vulnerability from osv_ubuntu – Published: 2021-03-18 20:15 – Updated: 2025-10-24 04:50 – Source website

Shadowserver Previdian

Details

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.

Severity

7.5 (High)


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

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2021-27358	REPORT
	https://github.com/grafana/grafana/blob/master/CH…	REPORT
	https://grafana.com/docs/grafana/latest/release-n…	REPORT
	https://www.cve.org/CVERecord?id=CVE-2021-27358	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "grafana",
            "binary_version": "2.6.0+dfsg-1"
          },
          {
            "binary_name": "grafana-data",
            "binary_version": "2.6.0+dfsg-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "grafana",
        "purl": "pkg:deb/ubuntu/grafana@2.6.0+dfsg-1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.6.0+dfsg-1"
      ]
    }
  ],
  "aliases": [],
  "details": "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.",
  "id": "UBUNTU-CVE-2021-27358",
  "modified": "2025-10-24T04:50:12Z",
  "published": "2021-03-18T20:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-27358"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/grafana/grafana/blob/master/CHANGELOG.md"
    },
    {
      "type": "REPORT",
      "url": "https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-4-2/"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-27358"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2021-27358"
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2021-27358 (GCVE-0-2021-27358)

Shadowserver

Known Exploited Vulnerability - GCVE BCP-07 Compliant

Characteristics

Timestamps

Scope

Evidence

Honeypot In The Wild Attempts Confidence: 70% Source: shadowserver

Details

References

Previdian

Known Exploited Vulnerability - GCVE BCP-07 Compliant

Timestamps

Scope

Evidence

Public Report Successful Exploitation Confidence: 70% Source: kevintel

Details

References

RHSA-2021_3016

RHSA-2021_4226

SUSE-SU-2021:1962-1

SUSE-SU-2021:1963-1

SUSE-SU-2021:2554-1

SUSE-SU-2021:2660-1

UBUNTU-CVE-2021-27358 (CVE-2021-27358)

Tags

Sightings

Nomenclature

Related by attack behaviour