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CVE-2021-43798: Grafana Path Traversal Vulnerability

criticalknown exploitedpublic exploitCVE-2021-43798
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Grafana contains a path traversal vulnerability that could allow access to local files.

CSIRTS triage

vendor: Grafanaproduct: GrafanaPath traversal
What
Grafana contains a path traversal vulnerability that could allow access to local files.
Who is affected
Deployments of Grafana.
Urgency
Remediation is urgent as the vulnerability is actively exploited and critical.
Action
Update to the latest version of Grafana.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2025-10-09
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2021-43798

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2021-43798coverage & exploitation statusNVD · CVE.org

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