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CVE-2020-7707

Good to know:

Date: August 18, 2020

The package property-expr before 2.0.3 are vulnerable to Prototype Pollution via the setter function.

Language: JS

Severity Score

9.8

Related Resources (3)

Url: https://nvd.nist.gov/vuln/detail/CVE-2020-7707

Url: https://github.com/jquense/expr/commit/df846910915d59f711ce63c1f817815bceab5ff7

Url: https://www.mend.io/vulnerability-database/CVE-2020-7707

Severity Score

9.8

Weakness Type (CWE)

Input Validation

CWE-20

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

CWE-1321

Improperly Controlled Modification of Dynamically-Determined Object Attributes

CWE-915

Top Fix

Upgrade Version

Upgrade to version property-expr - 2.0.3

CVSS v3.1

Base Score:	9.8
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	7.5
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

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