CVE-2020-7774
CRITICALCVSS 9.8/10EPSS 69.06%
Last modified
CVE-2020-7774 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The package y18n before 3.2.2, 4.0.1 and 5.0.5, is vulnerable to Prototype Pollution.. EPSS estimates a 69.06% chance of exploitation in the next 30 days.
Description
The package y18n before 3.2.2, 4.0.1 and 5.0.5, is vulnerable to Prototype Pollution.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Y18n Project | Y18n | < 3.2.2 |
| Y18n Project | Y18n | >= 5.0.0, < 5.0.5 |
| Y18n Project | Y18n | 4.0.0 |
| 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 |
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdfPatch, Third Party Advisory
- https://github.com/yargs/y18n/issues/96Exploit, Third Party Advisory
- https://github.com/yargs/y18n/pull/108Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1038306Exploit, Third Party Advisory
- https://snyk.io/vuln/SNYK-JS-Y18N-1021887Exploit, Third Party Advisory
- https://www.oracle.com/security-alerts/cpuApr2021.htmlPatch, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdfPatch, Third Party Advisory
- https://github.com/yargs/y18n/issues/96Exploit, Third Party Advisory
- https://github.com/yargs/y18n/pull/108Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1038306Exploit, Third Party Advisory
- https://snyk.io/vuln/SNYK-JS-Y18N-1021887Exploit, Third Party Advisory
- https://www.oracle.com/security-alerts/cpuApr2021.htmlPatch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-7774?
The package y18n before 3.2.2, 4.0.1 and 5.0.5, is vulnerable to Prototype Pollution.
How severe is CVE-2020-7774?
CVE-2020-7774 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 69.06% probability of exploitation in the next 30 days.
How do I fix CVE-2020-7774?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2020-7774?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST