CVE-2017-15896

Name: CVE-2017-15896
Creator: NVD / NIST
Published: 2017-12-11T21:29:00.517+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 2.38%

Last modified Jun 17, 2026

CVE-2017-15896 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. 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.. EPSS estimates a 2.38% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS Probability

2.38%

81.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Nodejs	Node.Js	>= 4.0.0, <= 4.1.2
Nodejs	Node.Js	>= 4.2.0, < 4.8.7
Nodejs	Node.Js	>= 6.0.0, <= 6.8.1
Nodejs	Node.Js	>= 6.9.0, < 6.12.2
Nodejs	Node.Js	>= 8.0.0, <= 8.8.1
Nodejs	Node.Js	>= 8.9.0, < 8.9.3
Nodejs	Node.Js	>= 9.0.0, < 9.2.1

References

https://nodejs.org/en/blog/vulnerability/december-2017-security-releases/Issue Tracking, Vendor Advisory
https://nodejs.org/en/blog/vulnerability/december-2017-security-releases/Issue Tracking, Vendor Advisory

Timeline

Published: Dec 11, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-15896?

How severe is CVE-2017-15896?

CVE-2017-15896 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 2.38% probability of exploitation in the next 30 days.

How do I fix CVE-2017-15896?

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.

Are you affected by CVE-2017-15896?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST