CVE-2021-39226

criticalknown exploitedpublic exploitcovered by 1 sourcefirst seen 2022-08-25

Actively exploited. CVE-2021-39226 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-08-25) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.

Public exploit code is available. Proof-of-concept or working exploit code for CVE-2021-39226 is indexed in Nuclei. Expect opportunistic scanning and exploitation attempts — prioritize remediation.

Grafana contains an authentication bypass vulnerability that allows authenticated and unauthenticated users to view and delete all snapshot data, potentially resulting in complete snapshot data loss.

CSIRTS triage

What: An authentication bypass vulnerability allows users to view and delete all snapshot data, risking complete data loss.
Who is affected: Users of Grafana with access to snapshot data.
Urgency: Immediate remediation is required due to active exploitation and critical severity.
Action: Upgrade to the latest version of Grafana to fix the authentication bypass.

AI-assisted analysis generated from the source advisory — verify against the original.

⚡ Watch CVE-2021-39226

Get an email if CVE-2021-39226 is added to CISA KEV, gains public exploit code, or a new advisory cites it — max one per day, one-click unsubscribe.

Exploitation outlook

Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 100% of all EPSS-scored CVEs.

Exploit availability

Public exploit or proof-of-concept code for CVE-2021-39226 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.

NucleiA nuclei-templates detection/PoC template exists for this CVE.look it up ↗

Advisory coverage (1)

criticalexploitedCVE-2021-39226: Grafana Authentication Bypass Vulnerabilitycisa-kev · 2022-08-25

External references

NVD record for CVE-2021-39226

CVE.org record

CISA KEV catalog

Embed the live status

— this badge updates automatically when the KEV or exploit status changes. How to embed it →

[![CVE-2021-39226 status](https://www.csirts.com/badge/CVE-2021-39226)](https://www.csirts.com/cve/CVE-2021-39226)