CVE-2021-23597 : This affects the package fastify-multipart before 5.3.1. By providing a name=constructor property it is still possible t

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).

Published 2022-02-11 17:15:08

Updated 2022-07-12 17:42:04

Source Snyk

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-23597

EPSS FAQ

0.18%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 55 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-23597

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	Snyk
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2021-23597

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

The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-23597

https://github.com/fastify/fastify-multipart/releases/tag/v5.3.1

Release v5.3.1 · fastify/fastify-multipart · GitHub
Release Notes;Third Party Advisory
https://snyk.io/vuln/SNYK-JS-FASTIFYMULTIPART-2395480

Denial of Service (DoS) in fastify-multipart | CVE-2021-23597 | Snyk
Exploit;Patch;Third Party Advisory
https://github.com/fastify/fastify-multipart/commit/a70dc7059a794589bd4fe066453141fc609e6066

Merge pull request from GHSA-qh73-qc3p-rjv2 · fastify/fastify-multipart@a70dc70 · GitHub
Patch;Third Party Advisory

Products affected by CVE-2021-23597

Fastify » Fastify-multipart » For Fastify
Versions before (<) 5.3.1
cpe:2.3:a:fastify:fastify-multipart:*:*:*:*:*:fastify:*:*
Matching versions

Vulnerability Details : CVE-2021-23597

Exploit prediction scoring system (EPSS) score for CVE-2021-23597

CVSS scores for CVE-2021-23597

CWE ids for CVE-2021-23597

References for CVE-2021-23597

Products affected by CVE-2021-23597