VULNERABILITY INTELLIGENCE

CVE-2015-7519

CVSS score3.7 LOW
EPSS probability2.36%
CISA KEVNot currently listed
Published2016-01-08
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

Description

agent/Core/Controller/SendRequest.cpp in Phusion Passenger before 4.0.60 and 5.0.x before 5.0.22, when used in Apache integration mode or in standalone mode without a filtering proxy, allows remote attackers to spoof headers passed to applications by using an _ (underscore) character instead of a - (dash) character in an HTTP header, as demonstrated by an X_User header.

Weakness classification

  • CWE-20: Improper Input Validation

Primary references