CVE-2021-23507

Prototype Pollution

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The package object-path-set before 1.0.2 are vulnerable to Prototype Pollution via the setPath method, as it allows an attacker to merge object prototypes into it. *Note:* This vulnerability derives from an incomplete fix in https://security.snyk.io/vuln/SNYK-JS-OBJECTPATHSET-607908

El paquete object-path-set versiones anteriores a 1.0.2, es vulnerable a una Contaminación de Prototipos por medio del método setPath, ya que permite a un atacante fusionar prototipos de objetos en él. *Nota:* Esta vulnerabilidad deriva de una corrección incompleta en https://security.snyk.io/vuln/SNYK-JS-OBJECTPATHSET-607908

*Credits: P.Adithya Srinivas, Masudul Hasan Masud Bhuiyan, Cristian-Alexandru Staicu, Alessio Della Libera

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-01-08 CVE Reserved
2022-02-04 CVE Published
2024-09-17 CVE Updated
2024-09-17 First Exploit
2024-10-20 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

CAPEC

References (4)

URL	Tag	Source
https://github.com/skratchdot/object-path-set/blob/577f5299fed15bb9edd11c940ff3cf0b9f4748d5/index.js%23L8	Broken Link
https://snyk.io/blog/remediate-javascript-type-confusion-bypassed-input-validation	Third Party Advisory

URL	Date	SRC
https://snyk.io/vuln/SNYK-JS-OBJECTPATHSET-2388576	2024-09-17

URL	Date	SRC
https://github.com/skratchdot/object-path-set/commit/2d67a714159c4099589b6661fa84e6d2adc31761	2022-02-09

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Skratchdot Search vendor "Skratchdot"		Object-path-set Search vendor "Skratchdot" for product "Object-path-set"				< 1.0.2 Search vendor "Skratchdot" for product "Object-path-set" and version " < 1.0.2"		-		Affected