CVE-2021-41277 (GCVE-0-2021-41277)
Vulnerability from cvelistv5 – Published: 2021-11-17 20:05 – Updated: 2025-10-21 23:25Title
GeoJSON URL validation can expose server files and environment variables to unauthorized users
Summary
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.
Severity
10 (Critical)
7.5 (High)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-20 03:56 UTC
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/metabase/metabase/security/adv… | x_refsource_CONFIRM |
| https://github.com/metabase/metabase/commit/042a3… | x_refsource_MISC |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 7acce838-72fe-4fd6-928a-14c13cd808ed
Exploited: Yes
Timestamps
First Seen: 2024-11-12
Asserted: 2024-11-12
Scope
Notes: Metabase GeoJSON API Local File Inclusion Vulnerability | Affected: Metabase / Metabase | Description: Metabase contains a local file inclusion vulnerability in the custom map support in the API to read GeoJSON formatted data. | Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. | Due date: 2024-12-03 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://github.com/metabase/metabase/security/advisories/GHSA-w73v-6p7p-fpfr ; https://nvd.nist.gov/vuln/detail/CVE-2021-41277
Evidence
Type: Vendor Report
Signal: Successful Exploitation
Confidence: 80%
Source: cisa-kev
Details
| Cwes | CWE-200 |
|---|---|
| Feed | CISA Known Exploited Vulnerabilities Catalog |
| Product | Metabase |
| Due Date | 2024-12-03 |
| Date Added | 2024-11-12 |
| Vendorproject | Metabase |
| Vulnerabilityname | Metabase GeoJSON API Local File Inclusion Vulnerability |
| Knownransomwarecampaignuse | Unknown |
References
Created: 2026-10-02 08:09 CEST
| Updated: 2026-10-02 08:09 CEST
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 3e7fceab-5a17-4bb8-904b-74d5c75daf23
Exploited: Yes
Timestamps
First Seen: 2024-11-12
Asserted: 2024-11-12
Scope
Notes: GeoJSON URL validation can expose server files and environment variables to unauthorized users | Affected: Metabase / metabase | CVSS: 10.0 (CRITICAL) | EPSS: 0.97178 | Used in malware: unknown | Not yet in CISA KEV: False
Evidence
Type: Public Report
Signal: Successful Exploitation
Confidence: 70%
Source: previdian
Details
| Feed | Previdian (previdian.com) |
|---|---|
| Title | GeoJSON URL validation can expose server files and environment variables to unauthorized users |
| Cve Id | CVE-2021-41277 |
| Vendor | Metabase |
| Ghsa Id | None |
| Product | metabase |
| Added Date | 2024-11-12T00:00:00.000Z |
| Cvss Score | 10.0 |
| Epss Score | 0.97178 |
| Previous Ids | |
| Cvss Severity | CRITICAL |
| Virtual Patch | False |
| Cvss Estimated | False |
| Epss Percentile | 0.99894 |
| Used In Malware | unknown |
| Vulnerability Id | CVE-2021-41277 |
| Ahead Of Cisa Kev | None |
| Not Yet In Cisa Kev | False |
References
Created: 2026-10-02 09:11 CEST
| Updated: 2026-10-02 09:11 CEST
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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