VULNERABILITY INTELLIGENCE

CVE-2009-4086

CVSS score5 MEDIUM
EPSS probability4.76%
CISA KEVNot currently listed
Published2009-11-29
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:P/A:N

Description

CRLF injection vulnerability in Xerver HTTP Server 4.31 and 4.32 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via certain byte sequences at the end of a URL. NOTE: some of these details are obtained from third party information.

Weakness classification

  • CWE-20: Improper Input Validation

Primary references