BLACKOUT MAP

Metabase · Metabase

CVE-2021-41277

GeoJSON URL validation can expose server files and environment variables to unauthorized users

Exploited in attacks Critical 10.0 Attack chance: 97%
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What it is

Metabase is an open source data analytics platform. In affected versions a security issue has been discovered with the custom GeoJSON map (`admin->settings->maps->custom maps->add a map`) support and potential local file inclusion (including environment variables). URLs were not validated prior to being loaded. This issue is fixed in a new maintenance release (0.40.5 and 1.40.5), and any subsequent release after that. If you’re unable to upgrade immediately, you can mitigate this by including rules in your reverse proxy or load balancer or WAF to provide a validation filter before the application.

CISA: Metabase contains a local file inclusion vulnerability in the custom map support in the API to read GeoJSON formatted data.

What to do

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Deadline for US federal agencies: December 3, 2024

Added to the CISA list
November 12, 2024
Published
November 17, 2021
Severity
Critical 10.0 CVSS 3.1
Chance of attacks in the next 30 days (EPSS)
97% in the top 0.1% of all known vulnerabilities
Weakness
CWE-200
More details
NVD · CVE.org · CISA
All references (2)

More exploited flaws from Metabase

AddedVulnerabilityProductSeverityAttack chance
Aug 11, 2026SQL InjectionCVE-2026-72898MetabaseCritical 10.099%

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Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.