CVE-2021-43798 in grafana
LogPulse has a published detection rule for this CVE: it raises a notable when someone tries to exploit it.
What the vulnerability is
Grafana is an open-source platform for monitoring and observability. Grafana versions 8.0.0-beta1 through 8.3.0 (except for patched versions) iss vulnerable to directory traversal, allowing access to local files. The vulnerable URL path is: `<grafana_host_url>/public/plugins//`, where is the plugin ID for any installed plugin. At no time has Grafana Cloud been vulnerable. Users are advised to upgrade to patched versions 8.0.7, 8.1.8, 8.2.7, or 8.3.1. The GitHub Security Advisory contains more information about vulnerable URL paths, mitigation, and the disclosure timeline.
Affected software: grafana
Scores
- CVSS: 7.5 (high)
- EPSS: 88.50% chance of exploitation in the next 30 days
- CISA KEV: Known exploited, listed 2025-10-09
- Published: 2021-12-07
What LogPulse has for it
- Detection rule: Yes, published
- Agent check (vulnerable version): Yes, published
- Mitigation: No
Source data: NIST NVD, CISA KEV and FIRST EPSS. LogPulse processes new CVEs every hour.
We build every detection with great care, but no two environments are the same. Log sources, parsing and configuration differ, so test a detection in your own environment before you rely on it.