CVE Vulnerability

CVE-2020-15366

An issue was discovered in ajv.validate() in Ajv (aka Another JSON Schema Validator) 6.12.2. A carefully crafted JSON schema could be provided that allows execution of other code by prototype pollution. (While untrusted schemas are recommended against, the worst case of an untrusted schema should be a denial of service, not execution of code.)

6.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

5.6 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

References
Link Resource
https://hackerone.com/bugs?subject=user&report_id=894259 Permissions Required
https://github.com/ajv-validator/ajv/releases/tag/v6.12.3 Release Notes Third Party Advisory
https://github.com/ajv-validator/ajv/tags Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:ajv.js:ajv:6.12.2:*:*:*:*:*:*:*
Information

Published : 2020-07-15 08:15

Updated : 2022-12-02 07:56

NVD link : CVE-2020-15366

Mitre link : CVE-2020-15366

Products Affected
No products.
CWE
CWE-1321

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')