vciy

CVE-2021-27358

INDEX BUILT · 2026-09-20

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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-2021-273583 of 4 sources documented this
43

rank 43 = 21 + 19 + 1 + 2 + 0

rank@v1 · scheduled

Someone is already using it

CISA KEV catalog · public proof-of-concept · FIRST EPSS

EPSS 0.83042  ·  without this subject the record ranks 22

What it costs you if it fires

NVD CVSS base score, then the CNA's own

CVSS 7.5, from NVD  ·  without this subject the record ranks 24

It is getting worse, not staying still

FIRST EPSS series, rescorings and bad loads removed

rose on 2025-10-04  ·  without this subject the record ranks 42

How much of the world it touches

NVD CPE configurations

1 product in the CPE ranges  ·  without this subject the record ranks 41

Someone else already set the date

CISA KEV remediation due date

no CISA due date  ·  without this subject the record ranks 43

Unaudited dollar value2 of 3 inputs carry a receipt
Exposure$2.54Mover the next 30 days, if this record is yours
Movement+$163,000on 2026-05-22, the last material move, 24 days before this reading
Basisassumeda published average, not your estate

$2.54M = $4.99M incident cost x 0.6121449559255632 exposure x 0.83042 likelihood

udv@v1 · unaudited · wrong for you until you say what you run

$4.99M is the cost of a breach that happened, from IBM Cost of a Data Breach Report 2026, global average. It is not the value of any asset of yours. That average already covers breaches of every severity, so scaling it by exposure understates a partial-impact record. That is an assumption, not a measurement. Your own asset value goes in the decision record.

Hindsight · the state

0.83042EPSSNOT IN KEVas of 2026-09-20
Severity7.5 HIGHreceipt
Harmunauthenticated · networkreceipt
Exploitationnone in held sources
Defenseno fix version held
Movementthreshold crossedreceipt
PLATEAU10Minimal movement since 2025-11-21, 206 days at 0.83, as of 2026-06-15. arc-rules@v1

Foresight · where to check next

No weakness class or product neighbourhood is held for this record, so this index cannot name anywhere to check next. That is an absence in the record, not a finding about the software.

Color is a claim, not decoration:the hostile worldthe defenseno signal

Check a version against this record

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AcceptDeferPatch by…Not affectedMitigated

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Harm, if it fires from the vector and the weakness

Written for the ticket you're about to file.

Reachnetwork-reachable · no privileges required · no user interaction · low attack complexityreceipt
ImpactComplete availability lossreceipt
Scored fromCVSS v3.1 · NVD's vectorreceipt
Weakness classNo CWE mapping in held sources.

CISA KEV & Federal Remediation Deadline from the record and CISA

The fix, and how long it's been waiting.

Fixed inNo fix version in held sources, as the index stood on 15 Jun 2026.
Patch available sinceNo dated patch-availability record in held sources. The index holds reference URLs without dates and only the current revision of the CVE record, so the day a fix first existed cannot be derived. Only the versions it landed in.

Exploit Status & Known PoCs a ladder, not a score

Current rung: Nothing observed in held sources.

  • RUNG 1Nothing observed in held sources
  • RUNG 2Proof-of-concept published
  • RUNG 3Exploited in the wild · CISA KEV listed
  • RUNG 4Ransomware campaign use known

Authority who says so

CVSS, NVD7.5 HIGHreceipt
Exploit probability0.83042 · top 0.34% of all CVEsreceipt
Blast breadth1 product across 1 vendorderived
Assigned bymitrereceipt
Recorded changes68 · last 18 Sep 2026derived

Affected & Fixed Versions as published

Named in the CPE rangesGrafanareceipt
Published rangesgrafana >= 6.7.3 <= 7.4.1receipt

A rung lights from a row in the index, never from an assessment. "Held sources" is the true scope of the claim: this index reads the CVE record, NVD, CISA KEV, FIRST's EPSS and public proof-of-concept repositories, and it does not observe attacks.

Did this affect your environment?Answering needs an account.

What it is stated by the CNA

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. receipt

NVD's analysis a second authority

severity
7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
affected versions
grafana >= 6.7.3 <= 7.4.1

check it yourself github.com grafana.com github.com security.netapp.com receipt

Dated events

2022-01-06EPSS moved 0.02 to 0.072025-03-17EPSS moved 0.02 to 0.712026-06-15EPSS moved 0.92 to 0.83

Movement the material steps

14 Apr 20210.013
4 Feb 20220.13364 · crossed 0.10
1 Apr 20220.01213 · crossed 0.10
7 Mar 20230.02156 · scoring model v2023.03.01
17 Mar 20250.7066 · crossed 0.10 and 0.50 · scoring model v2025.03.14
18 Mar 20250.57572
23 Mar 20250.7066
24 Mar 20250.57572
26 Mar 20250.7066
28 Mar 20250.81505
27 May 20250.7077
27 Oct 20250.82276
18 Nov 20250.58509
21 Nov 20250.81136
22 May 20260.92396 · crossed 0.90
15 Jun 20260.83042 · crossed 0.90 · scoring model v2026.06.15
Show all 68 observations
14 Apr 20210.013
14 May 20210.01623
6 Jan 20220.06891
4 Feb 20220.13364
1 Apr 20220.01213
7 Mar 20230.02156
10 Jun 20230.02345
27 Sep 20230.02148
11 Oct 20230.02163
23 Oct 20230.02641
2 Dec 20230.02992
6 Mar 20240.02415
19 Jun 20240.03130
25 Sep 20240.02232
17 Dec 20240.02871
11 Mar 20250.02171
17 Mar 20250.7066
18 Mar 20250.57572
23 Mar 20250.7066
24 Mar 20250.57572
26 Mar 20250.7066
28 Mar 20250.81505
29 Mar 20250.8283
30 Mar 20250.81505
11 Apr 20250.83144
14 Apr 20250.84261
1 May 20250.76428
4 May 20250.84261
18 May 20250.85775
25 May 20250.77442
27 May 20250.7077
1 Jun 20250.62103
4 Jun 20250.7077
5 Jun 20250.72805
1 Jul 20250.64644
4 Jul 20250.72805
30 Jul 20250.74558
1 Aug 20250.66876
4 Aug 20250.74558
20 Aug 20250.79637
1 Sep 20250.73704
4 Sep 20250.79637
1 Oct 20250.7189
4 Oct 20250.78274
11 Oct 20250.80435
14 Oct 20250.78875
27 Oct 20250.82276
28 Oct 20250.81136
1 Nov 20250.7572
4 Nov 20250.81136
18 Nov 20250.58509
21 Nov 20250.81136
1 Dec 20250.7572
4 Dec 20250.81136
22 Dec 20250.87049
27 Dec 20250.8607
28 Dec 20250.87049
1 Jan 20260.81217
4 Jan 20260.87049
29 Jan 20260.86197
1 Feb 20260.79735
4 Feb 20260.86197
1 Mar 20260.79735
4 Mar 20260.86197
16 Mar 20260.87429
2 May 20260.87049
22 May 20260.92396
15 Jun 20260.83042

68 observations held. A highlighted step crossed a promotion threshold. A step marked with a scoring model moved because the instrument was replaced, not because the vulnerability changed. receipt

The full biography

EPSS 0.83042Published2021-03-18Index as of2026-06-15

The record had been public for 5 years, 2 months when this index was last written.

Published 2021-03-18 receipt · Index as of 2026-06-15 derived

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