Staging Environment: Content and features may be unstable or change without notice.
Search for vulnerabilities
Vulnerability details: VCID-vv32-p75k-qfc6
Vulnerability ID VCID-vv32-p75k-qfc6
Aliases CVE-2021-27358
GHSA-h5rh-w6vm-9ghc
Summary Denial of service in Grafana The snapshot feature in Grafana before 7.4.2 can allow an unauthenticated remote attackers to trigger a Denial of Service via a remote API call if a commonly used configuration is set. ### Specific Go Packages Affected github.com/grafana/grafana/pkg/middleware
Status Published
Exploitability 2.0
Weighted Severity 7.4
Risk 10.0
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-306 Missing Authentication for Critical Function
CWE-400 Uncontrolled Resource Consumption
CWE-770 Allocation of Resources Without Limits or Throttling
System Score Found at
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-27358.json
epss 0.87429 https://api.first.org/data/v1/epss?cve=CVE-2021-27358
epss 0.87429 https://api.first.org/data/v1/epss?cve=CVE-2021-27358
epss 0.87429 https://api.first.org/data/v1/epss?cve=CVE-2021-27358
epss 0.87429 https://api.first.org/data/v1/epss?cve=CVE-2021-27358
epss 0.87429 https://api.first.org/data/v1/epss?cve=CVE-2021-27358
epss 0.87429 https://api.first.org/data/v1/epss?cve=CVE-2021-27358
epss 0.87429 https://api.first.org/data/v1/epss?cve=CVE-2021-27358
epss 0.87429 https://api.first.org/data/v1/epss?cve=CVE-2021-27358
epss 0.87429 https://api.first.org/data/v1/epss?cve=CVE-2021-27358
epss 0.87429 https://api.first.org/data/v1/epss?cve=CVE-2021-27358
epss 0.87429 https://api.first.org/data/v1/epss?cve=CVE-2021-27358
cvssv3.1 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 8.2 https://github.com/grafana/grafana/blob/master/CHANGELOG.md
generic_textual MODERATE https://github.com/grafana/grafana/blob/master/CHANGELOG.md
cvssv3.1 8.2 https://github.com/grafana/grafana/blob/master/CHANGELOG.md#742-2021-02-17
generic_textual MODERATE https://github.com/grafana/grafana/blob/master/CHANGELOG.md#742-2021-02-17
cvssv3.1 8.2 https://github.com/grafana/grafana/pull/31263
generic_textual MODERATE https://github.com/grafana/grafana/pull/31263
cvssv3.1 8.2 https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-4-2
generic_textual MODERATE https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-4-2
cvssv3.1 8.2 https://nvd.nist.gov/vuln/detail/CVE-2021-27358
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2021-27358
cvssv3.1 8.2 https://security.netapp.com/advisory/ntap-20210513-0007
generic_textual MODERATE https://security.netapp.com/advisory/ntap-20210513-0007
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-27358.json
https://api.first.org/data/v1/epss?cve=CVE-2021-27358
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/grafana/grafana/blob/master/CHANGELOG.md
https://github.com/grafana/grafana/blob/master/CHANGELOG.md#742-2021-02-17
https://github.com/grafana/grafana/pull/31263
https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-4-2
https://nvd.nist.gov/vuln/detail/CVE-2021-27358
https://security.netapp.com/advisory/ntap-20210513-0007
1941024 https://bugzilla.redhat.com/show_bug.cgi?id=1941024
RHSA-2021:4226 https://access.redhat.com/errata/RHSA-2021:4226
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-27358.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H/E:U/RL:O/RC:R Found at https://github.com/grafana/grafana/blob/master/CHANGELOG.md
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H/E:U/RL:O/RC:R Found at https://github.com/grafana/grafana/blob/master/CHANGELOG.md#742-2021-02-17
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H/E:U/RL:O/RC:R Found at https://github.com/grafana/grafana/pull/31263
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H/E:U/RL:O/RC:R Found at https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-4-2
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H/E:U/RL:O/RC:R Found at https://nvd.nist.gov/vuln/detail/CVE-2021-27358
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H/E:U/RL:O/RC:R Found at https://security.netapp.com/advisory/ntap-20210513-0007
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.99451
EPSS Score 0.87429
Published At April 2, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:06:13.068072+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/02/GHSA-h5rh-w6vm-9ghc/GHSA-h5rh-w6vm-9ghc.json 38.0.0