CVE-2021-41277 is a vulnerability in Metabase
Published on November 17, 2021
GeoJSON URL validation can expose server files and environment variables to unauthorized users
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 youre 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.
Known Exploited Vulnerability
This Metabase GeoJSON API Local File Inclusion Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Metabase contains a local file inclusion vulnerability in the custom map support in the API to read GeoJSON formatted data.
The following remediation steps are recommended / required by December 3, 2024: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Vulnerability Analysis
CVE-2021-41277 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors in an automatable fashion. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality and integrity, and a small impact on availability.
Weakness Type
What is an Information Disclosure Vulnerability?
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
CVE-2021-41277 has been classified to as an Information Disclosure vulnerability or weakness.
Products Associated with CVE-2021-41277
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Affected Versions
metabase:- Version < 0.40.5 is affected.
- Version >= 1.0.0, < 1.40.5 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.