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

CVE-2020-7774

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

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

HIGH · CVSS 7.3 EPSS 0.00469
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

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

Affected Products & Versions

5
y18n project y18n< 3.2.2
y18n project y18n>= 5.0.0 and < 5.0.5
y18n project y18nall versions
oracle graalvmall versions
siemens sinec infrastructure network services< 1.0.1.1
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
npm y18n HIGH fixed in 3.2.2
⚠

Public Exploits & PoCs

3
pocgithub.com · issues/96github.com
pocsnyk.io · SNYK-JAVA-ORGWEBJARSNPM-1038306snyk.io
pocsnyk.io · SNYK-JS-Y18N-1021887snyk.io
▣

Scoring & Timeline

7.3
HIGH · CVSS v3.1 · report@snyk.io
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD17 Nov 2020 · 01:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
⚑

Vendor Advisories

28
suse-csafopenSUSE-SU-2024:11096-1
siemens-csafSSA-389290
suse-csafopenSUSE-SU-2021:1113-1
suse-csafopenSUSE-SU-2021:2618-1
suse-csafSUSE-SU-2021:2618-1
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdfPatchThird Party Advisory
https://github.com/yargs/y18n/pull/108PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.htmlPatchThird Party Advisory
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