CVE-2021-3918 - CVE House
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Status published Critical CVE-2021-3918

Prototype Pollution in kriszyp/json-schema

Vulnerability Description

json-schema is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from kriszyp

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CVE-2023-52079
Conversion of property names to strings can trigger infinite recursion
Medium 6.8

Affected Vendor

Affected Software

kriszyp/json-schema
Vulnerable Versions:
unspecified

Timeline

Official Publish: November 13th, 2021
Last Modified: January 17th, 2025
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-1321

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.