CVE-2020-7774

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 y18n before 3.2.2, 4.0.1 and 5.0.5, is vulnerable to Prototype Pollution.

El paquete y18n anterior a las versiones 3.2.2, 4.0.1 y 5.0.5, es vulnerable a la contaminación de prototipos

A flaw was found in nodejs-y18n. There is a prototype pollution vulnerability in y18n's locale functionality. If an attacker is able to provide untrusted input via locale, they may be able to cause denial of service or in rare circumstances, impact to data integrity or confidentiality.

*Credits: po6ix

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

Low

Integrity

Low

Availability

Low

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

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

2020-01-21 CVE Reserved
2020-11-17 CVE Published
2024-09-16 CVE Updated
2024-09-16 First Exploit
2024-10-24 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-915: Improperly Controlled Modification of Dynamically-Determined Object Attributes
CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

CAPEC

References (8)

URL	Tag	Source

URL	Date	SRC
https://github.com/yargs/y18n/issues/96	2024-09-16
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1038306	2024-09-16
https://snyk.io/vuln/SNYK-JS-Y18N-1021887	2024-09-16

URL	Date	SRC
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf	2022-12-02
https://github.com/yargs/y18n/pull/108	2022-12-02
https://www.oracle.com/security-alerts/cpuApr2021.html	2022-12-02

URL	Date	SRC
https://access.redhat.com/security/cve/CVE-2020-7774	2021-07-27
https://bugzilla.redhat.com/show_bug.cgi?id=1898680	2021-07-27

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Y18n Project Search vendor "Y18n Project"		Y18n Search vendor "Y18n Project" for product "Y18n"				< 3.2.2 Search vendor "Y18n Project" for product "Y18n" and version " < 3.2.2"		node.js		Affected
Y18n Project Search vendor "Y18n Project"		Y18n Search vendor "Y18n Project" for product "Y18n"				>= 5.0.0 < 5.0.5 Search vendor "Y18n Project" for product "Y18n" and version " >= 5.0.0 < 5.0.5"		node.js		Affected
Y18n Project Search vendor "Y18n Project"		Y18n Search vendor "Y18n Project" for product "Y18n"				4.0.0 Search vendor "Y18n Project" for product "Y18n" and version "4.0.0"		node.js		Affected
Oracle Search vendor "Oracle"		Graalvm Search vendor "Oracle" for product "Graalvm"				19.3.5 Search vendor "Oracle" for product "Graalvm" and version "19.3.5"		enterprise		Affected
Oracle Search vendor "Oracle"		Graalvm Search vendor "Oracle" for product "Graalvm"				20.3.1.2 Search vendor "Oracle" for product "Graalvm" and version "20.3.1.2"		enterprise		Affected
Oracle Search vendor "Oracle"		Graalvm Search vendor "Oracle" for product "Graalvm"				21.0.0.2 Search vendor "Oracle" for product "Graalvm" and version "21.0.0.2"		enterprise		Affected
Siemens Search vendor "Siemens"		Sinec Infrastructure Network Services Search vendor "Siemens" for product "Sinec Infrastructure Network Services"				< 1.0.1.1 Search vendor "Siemens" for product "Sinec Infrastructure Network Services" and version " < 1.0.1.1"		-		Affected