CVE-2021-27358: grafana
Vulnerability summary
CVE-2021-27358 is a high (CVSS 7.5) vulnerability in grafana. EPSS estimates a 83.04% chance of exploitation in the next 30 days, higher than 99.6% of scored vulnerabilities.
Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 83% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 7 · Related 6Timeline
- 18-03-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · GoEcosystem advisory · calculated8.2HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H/E:U/RL:O/RC:RDiffers
EPSS trend
Probability
83.04%
Chance of exploitation in the next 30 days
Percentile
100%
Versus all other CVEs
30-day change
No change 0.00 pp
From 83.04% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Github.com/grafana1 product
- grafana≥ 6.7.3, < 7.4.2
Grafana1 product
- grafana≥ 6.7.3, ≤ 7.4.1
Netapp1 product
Ubuntu1 product
- grafanaAll versions (No fix recorded)
4 vendors · 4 products
References
10 links- github.com/grafana/grafana/blob/master/CHANGELOG.mdX Refsource CONFIRMREPORTWEBRelease NotesThird Party Advisory
- grafana.com/docs/grafana/latest/release-notes/release-notes-7-4-2/X Refsource CONFIRMREPORTRelease NotesVendor Advisory
- github.com/grafana/grafana/blob/master/CHANGELOG.mdX Refsource CONFIRMWEBRelease NotesThird Party Advisory
