CVE-2002-1783
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…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 16.7%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N
- EPSS
- 16.74% probability · 97th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- php/php
- Source
- cve@mitre.org
EPSS 16.7% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://archives.neohapsis.com/archives/bugtraq/2002-09/0086.htmlVendor Advisory
- http://archives.neohapsis.com/archives/bugtraq/2002-09/0132.htmlPatch
- http://www.debian.org/security/2002/dsa-168Patch, Vendor Advisory
- http://www.securityfocus.com/bid/5681Patch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/10080
- http://archives.neohapsis.com/archives/bugtraq/2002-09/0086.htmlVendor Advisory
- http://archives.neohapsis.com/archives/bugtraq/2002-09/0132.htmlPatch
- http://www.debian.org/security/2002/dsa-168Patch, Vendor Advisory
- http://www.securityfocus.com/bid/5681Patch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/10080
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.