Is CVE-2021-43798 actively exploited?

Yes. CVE-2021-43798 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2021-43798 be exploited remotely?

The attack vector of CVE-2021-43798 has not been classified yet.

What is the CVSS score of CVE-2021-43798?

CVE-2021-43798 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2021-43798

HIGHCISA KEVIN THE WILD

CVE-2021-43798

Published: October 9, 2025

EPSS:94.44%probability of exploitation in 30 daysPercentile:100.0th

Official Description

Grafana contains a path traversal vulnerability that could allow access to local files.

NVD Source

CISA KEV Advisory

Grafana Path Traversal Vulnerability

Grafana contains a path traversal vulnerability that could allow access to local files.

Added to KEV: 2025-10-09Federal patch deadline: 2025-10-30

Required Action (CISA)

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Risk Analysis

This path traversal vulnerability in Grafana allows attackers to access local files on the system. The very high EPSS score indicates a high likelihood of exploitation, and its presence in CISA's KEV catalog confirms active exploitation. This makes it a critical vulnerability that needs immediate attention.

This vulnerability is actively exploited in the wild and is included in CISA's Known Exploited Vulnerabilities catalog. The ability to access local files can lead to sensitive data exposure or further system compromise.

Recommended Action

It is essential to apply the latest security updates and patches for Grafana to address this path traversal vulnerability. Implement proper input validation and restrict file access permissions to prevent unauthorized access to local files.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2021-43798 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2021-43798 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.