Patchfirst
CVE-2021-27358 Public exploit EPSS 83.0%

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.

Summary

The snapshot feature in Grafana is affected by a flaw that can be triggered through its remote API. The product and component are Grafana's snapshot functionality, with the affected range described in the source data. An unauthenticated remote attacker can make a crafted API call to cause a denial of service, but only when a commonly used configuration option is enabled.

Heading is the official description · CVE.org
Breakdown
64.9 / 100
Exploited
Yes, in VulnCheck KEV
Reports
0
Tactics
0/15

First seen exploited 5 years after disclosure.

  1. Disclosedday 0
  2. First seen exploitedVulnCheck KEV evidence+5 yrs

7 fixes in github.com/grafana/grafana over 19 months. The latest fix listed for github.com/grafana/grafana is 8.3.1.

Fixes in github.com/grafana/grafanaGo package, by fixed version. Earlier and later fixes in the same package, not necessarily the same bug.

  1. 7.1.0-beta1CVE-2020-2430328 Oct 2020
  2. 7.2.1CVE-2020-1245829 Apr 2020
  3. 7.2.1CVE-2020-1245929 Apr 2020
  4. 7.4.2CVE-2021-2735818 Mar 2021
  5. 8.1.6CVE-2021-392265 Oct 2021KEV
  6. 8.2.4CVE-2021-4124415 Nov 2021
  7. 8.3.1CVE-2021-437987 Dec 2021KEVLatest listed

techniques

No techniques linked

No ATT&CK techniques are linked to this CVE yet. MITRE CTID has not mapped it, and no report passage in the corpus ties it to a technique.

Am I affected? What do I upgrade to?

From GitHub Security Advisories and OSV

1 package in 1 ecosystem. Main package: github.com/grafana/grafana.

Gogithub.com/grafana/grafanaGHSA-h5rh-w6vm-9ghc

Upgrade to 7.5.11

Fixes this CVE and 2 other known vulnerabilities in this package (CVE-2020-13379, CVE-2021-39226).

Still affected on this line by CVE-2022-31097 (no fix published); CVE-2024-9264 (no fix published); CVE-2025-3415 (no fix published); CVE-2025-4123 (no fix published); CVE-2025-6023 (no fix published).

Gogo get github.com/grafana/grafana@v7.5.11

First fixed in 7.4.2 for CVE-2021-27358.

Affected versions

If you runUpgrade to
6.7.3 up to 7.4.27.5.11first fix for this CVE: 7.4.2

“Up to” means the second version is the fix and is not affected.

Check your lockfile against all CVEs

What security researchers reported

Not named in any threat report yet

References

3 links, grouped by NVD tag (1 duplicate merged)
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