VULNERABILITY INTELLIGENCE

CVE-2002-1783

CVSS score5 MEDIUM
EPSS probability16.74%
CISA KEVNot currently listed
Published2002-12-31
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:P/A:N

Description

CRLF injection vulnerability in PHP 4.2.1 through 4.2.3, when allow_url_fopen is enabled, allows remote attackers to modify HTTP headers for outgoing requests by causing CRLF sequences to be injected into arguments that are passed to the (1) fopen or (2) file functions.

Primary references