Vulnerability Description
json-schema is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
CVSS Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Json-Schema Project | Json-Schema | < 0.4.0 |
| Debian | Debian Linux | 10.0 |
Related Weaknesses (CWE)
References
- https://github.com/kriszyp/json-schema/commit/22f146111f541d9737e832823699ad3528PatchThird Party Advisory
- https://huntr.dev/bounties/bb6ccd63-f505-4e3a-b55f-cd2662c261a9ExploitIssue TrackingPatch
- https://lists.debian.org/debian-lts-announce/2022/12/msg00013.htmlMailing ListThird Party Advisory
- https://github.com/kriszyp/json-schema/commit/22f146111f541d9737e832823699ad3528PatchThird Party Advisory
- https://huntr.dev/bounties/bb6ccd63-f505-4e3a-b55f-cd2662c261a9ExploitIssue TrackingPatch
- https://lists.debian.org/debian-lts-announce/2022/12/msg00013.htmlMailing ListThird Party Advisory
- https://security.netapp.com/advisory/ntap-20250117-0004/
FAQ
What is CVE-2021-3918?
CVE-2021-3918 is a vulnerability with a CVSS score of 9.8 (CRITICAL). json-schema is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
How severe is CVE-2021-3918?
CVE-2021-3918 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2021-3918?
Check the references section above for vendor advisories and patch information. Affected products include: Json-Schema Project Json-Schema, Debian Debian Linux.