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

Vulnerability from cvelistv5 – Published: 2021-03-18 19:43 – Updated: 2024-08-03 20:48
VLAI 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
  • n/a
Assigner
References
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: ee28dce8-11b8-4819-b199-57416c9978cc

Vulnerability ID: CVE-2021-27358

Status: Confirmed

Status Updated: 2026-06-07 02:00 CEST

Exploited: Yes

Timestamps
First Seen: 2026-06-07
Asserted: 2026-06-07
Scope
Notes: 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 / 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: previdian

Details
Feed Previdian (previdian.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...
Cve Id CVE-2021-27358
Vendor Grafana
Ghsa Id GHSA-H5RH-W6VM-9GHC
Product Grafana
Added Date 2026-06-07T00:00:00.000Z
Cvss Score 7.5
Epss Score 0.83042
Previous Ids
Cvss Severity HIGH
Virtual Patch False
Cvss Estimated False
Epss Percentile 0.99666
Used In Malware unknown
Vulnerability Id CVE-2021-27358
Ahead Of Cisa Kev None
Not Yet In Cisa Kev True
References
Created: 2026-10-02 09:09 CEST | Updated: 2026-10-02 09:09 CEST
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.



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