CVE-2021-23597

Denial of Service (DoS)

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

This affects the package fastify-multipart before 5.3.1. By providing a name=constructor property it is still possible to crash the application. **Note:** This is a bypass of CVE-2020-8136 (https://security.snyk.io/vuln/SNYK-JS-FASTIFYMULTIPART-1290382).

Esto afecta al paquete fastify-multipart versiones anteriores a 5.3.1. Proporcionando una propiedad name=constructor todavía es posible bloquear la aplicación. **Nota:** Esto es una omisión de CVE-2020-8136 (https://security.snyk.io/vuln/SNYK-JS-FASTIFYMULTIPART-1290382)

*Credits: Alessio Della Libera of Snyk Research Team

CVSS Scores

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

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-01-08 CVE Reserved
2022-02-11 CVE Published
2024-09-16 CVE Updated
2024-09-16 First Exploit
2024-10-27 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

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

CAPEC

References (3)

URL	Tag	Source
https://github.com/fastify/fastify-multipart/releases/tag/v5.3.1	Release Notes

URL	Date	SRC
https://snyk.io/vuln/SNYK-JS-FASTIFYMULTIPART-2395480	2024-09-16

URL	Date	SRC
https://github.com/fastify/fastify-multipart/commit/a70dc7059a794589bd4fe066453141fc609e6066	2022-07-12

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Fastify Search vendor "Fastify"		Fastify-multipart Search vendor "Fastify" for product "Fastify-multipart"				< 5.3.1 Search vendor "Fastify" for product "Fastify-multipart" and version " < 5.3.1"		fastify		Affected