CVE-2021-3918

critical

Description

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

References

https://github.com/kriszyp/json-schema/commit/22f146111f541d9737e832823699ad3528ca7741

https://huntr.dev/bounties/bb6ccd63-f505-4e3a-b55f-cd2662c261a9

Details

Source: MITRE

Published: 2021-11-13

Updated: 2022-05-12

Type: CWE-915

Risk Information

CVSS v2

Base Score: 7.5

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 10

Severity: HIGH

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 3.9

Severity: CRITICAL