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cvelist@huntrdevCVELIST:CVE-2021-3918
HistoryNov 13, 2021 - 12:00 a.m.

CVE-2021-3918 Prototype Pollution in kriszyp/json-schema

2021-11-1300:00:00
CWE-1321
@huntrdev
www.cve.org
7
json-schema
prototype pollution
cve-2021-3918

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.7

Confidence

High

EPSS

0.005

Percentile

76.9%

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

CNA Affected

[
  {
    "vendor": "kriszyp",
    "product": "kriszyp/json-schema",
    "versions": [
      {
        "version": "unspecified",
        "lessThanOrEqual": "0.3.0",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  }
]

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.7

Confidence

High

EPSS

0.005

Percentile

76.9%