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Vulnerability Intelligence

Vulnerability IntelligenceCVE-2021-3918

CVE-2021-3918

CRITICAL9.8

Prototype Pollution in kriszyp/json-schema

Published Nov 13, 2021

Modified 1 years ago

Details

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

References

WEBhttps://github.com/kriszyp/json-schema/commit/22f146111f541d9737e832823699ad3528ca7741 WEBhttps://huntr.dev/bounties/bb6ccd63-f505-4e3a-b55f-cd2662c261a9 WEBhttps://lists.debian.org/debian-lts-announce/2022/12/msg00013.html WEBhttps://security.netapp.com/advisory/ntap-20250117-0004/ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2021-3918

CVSS Analysis

CVSS v3.1

9.8

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

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

Weakness Type (CWE)

Input Validation

Prototype Pollution

Ecosystems

Timeline

PublishedNov 13, 2021

ModifiedJan 17, 2025

CVE-2021-3918 | Mondoo Vulnerability Intelligence