CVE-2020-7774

HIGH

y18n <3.2.2, 4.0.1, 5.0.5 - Prototype Pollution

Title source: llm
STIX 2.1

Description

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

References (6)

Core 6
Core References
Exploit, Third Party Advisory
https://github.com/yargs/y18n/issues/96
Patch, Third Party Advisory
https://github.com/yargs/y18n/pull/108
Exploit, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-Y18N-1021887

Scores

CVSS v3 7.3
EPSS 0.0047
EPSS Percentile 64.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Details

CWE
CWE-1321
Status published
Products (7)
npm/y18n 0 - 3.2.2npm
oracle/graalvm 19.3.5
oracle/graalvm 20.3.1.2
oracle/graalvm 21.0.0.2
siemens/sinec_infrastructure_network_services < 1.0.1.1
y18n_project/y18n 4.0.0
y18n_project/y18n < 3.2.2
Published Nov 17, 2020
Tracked Since Feb 18, 2026