CVE-2020-7774
Prototype Pollution
CRITICAL 9.8EPSS 69.4%
The package y18n before 3.2.2, 4.0.1 and 5.0.5, is vulnerable to Prototype Pollution.
- Affected
- y18n
- CVSS v3.1 NVD
- 9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS v3.1 SNYK
- 7.3 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - CVSS v2.0 NVD
- 7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P - EPSS
- 69.38% chance of exploitation in the next 30 days, 99th percentile
- Published
- 2020-11-17
- Updated
- 2024-09-16
Proof-of-concept exploits (3)
- yargs/y18n/issues/96154★ · 2026-10-13
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1038306
- https://snyk.io/vuln/SNYK-JS-Y18N-1021887
Security advisories
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
- https://www.oracle.com/security-alerts/cpuApr2021.html
- advisories/GHSA-c4w7-xm78-47vh