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CVE-2021-41277

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

HIGH
7.5
CVSS Score
Published: November 17, 2021 at 08:05 PM UTC
Updated: October 8, 2026 at 10:34 AM UTC
1 product affected across 1 vendorMetabase

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Severity
HIGH7.5
Exploitation
CISA KEV
Exploit prediction
EPSS 97%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score97.2%

EPSS (Exploit Prediction Scoring System) estimates a 97.2% chance this CVE is exploited in the wild within the next 30 days — higher than 100% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

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.
Ransomware Use
Unknown
Added to KEV
Nov 12, 2024
Remediation Due
Dec 3, 2024
695 days overdue
Notes
https://github.com/metabase/metabase/security/advisories/GHSA-w73v-6p7p-fpfr
https://nvd.nist.gov/vuln/detail/CVE-2021-41277

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Metabase· Metabasecontainer
95%
v < 0.40.50.40.00.40.10.40.20.40.30.40.41.0.01.40.01.40.11.40.21.40.31.40.4>= 1.0.0, < 1.40.5
Affected range stops below 0.40.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.40.5, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

x_refsource_MISCPatch
Source: [email protected]
https://github.com/metabase/metabase/commit/042a36e49574c749f944e19cf80360fd3dc322f0
x_refsource_CONFIRMMitigationThird Party Advisory
Source: [email protected]
https://github.com/metabase/metabase/security/advisories/GHSA-w73v-6p7p-fpfr
US Government Resource
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-41277

SSVC — Action Prioritization

SSVCActiveAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-200CWE-22

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