CVE Vulnerability

CVE-2020-7770

This affects the package json8 before 1.0.3. The function adds in the target object the property specified in the path, however it does not properly check the key being set, leading to a prototype pollution.

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://snyk.io/vuln/SNYK-JS-JSON8-1017116 Exploit Third Party Advisory
https://github.com/sonnyp/JSON8/commit/2e890261b66cbc54ae01d0c79c71b0fd18379e7e Patch Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:json8_project:json8:*:*:*:*:*:*:*:*
Information

Published : 2020-11-12 11:15

Updated : 2022-12-02 07:44

NVD link : CVE-2020-7770

Mitre link : CVE-2020-7770

Products Affected
No products.
CWE
CWE-1321

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