Metabase - Local File Inclusion (CVE-2021-41277)

CVE-2021-41277 is a critical vulnerability in Metabase that enables attackers to conduct unauthenticated local file inclusion by leveraging improperly validated custom GeoJSON map URLs.

CrowdSec has been tracking this vulnerability and its exploits since 10th of March 2025.

According to CrowdSec data, while opportunistic exploitation dominates, a portion of threat actors trying to exploit CVE-2021-41277 apply basic targeting methods such as port or service detection. This indicates emerging patterns of selective targeting. CrowdSec data also reveals a clear uptick in attacks involving CVE-2021-41277 over the past week. Activity is above the usual baseline, suggesting growing attention from attackers. This may reflect rising awareness, recent exploit releases, or expanded targeting efforts.

Exploitation attempts are notably identified through requests to URLs containing /api/geojson?url=file:///etc/passwd.