What’s Vulnerable › Vulnerabilities

CVE-2017-15896

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-12-11 · updated 2026-06-17

Description

Node.js was affected by OpenSSL vulnerability CVE-2017-3737 in regards to the use of SSL_read() due to TLS handshake failure. The result was that an active network attacker could send application data to Node.js using the TLS or HTTP2 modules in a way that bypassed TLS authentication and encryption.

Affected products

• Node.js: from 4.0.0 through 4.1.2; from 4.2.0 before 4.8.7; from 6.0.0 through 6.8.1; from 6.9.0 before 6.12.2; from 8.0.0 through 8.8.1; from 8.9.0 before 8.9.3 — fixed in 4.8.7, 6.12.2, 8.9.3, 9.2.1

How to fix

Upgrade to a fixed version: Node.js 4.8.7, 6.12.2, 8.9.3, 9.2.1. Check the vendor advisory for mitigations.

References

• https://nodejs.org/en/blog/vulnerability/december-2017-security-releases/
• https://nodejs.org/en/blog/vulnerability/december-2017-security-releases/

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