Improper input validation in Node.js

CVE-2016-2216

The HTTP header parsing code in Node.js 0.10.x before 0.10.42, 0.11.6 through 0.11.16, 0.12.x before 0.12.10, 4.x before 4.3.0, and 5.x before 5.6.0 allows remote attackers to bypass an HTTP response-splitting protection mechanism via UTF-8 encoded Unicode characters in the HTTP header, as demonstrated by %c4%8d%c4%8a.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.070 (93.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-2216?
CVE-2016-2216 is a high-severity vulnerability in Node.js, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2016-04-07.
How severe is CVE-2016-2216?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2016-2216 known to be exploited?
64 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.