Is CVE-2002-1783 in the CISA KEV catalog?

No. CVE-2002-1783 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2002-1783?

CVE-2002-1783 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2002-1783?

CVE-2002-1783 has an EPSS score of 16.74% (97th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2002-1783

MEDIUMEPSS 97th pctl

5.0

CVSS v2

NVD

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 v2 Vector

No CVSS vector data available.

Exploit Intelligence

16.74%probability of exploitation in 30 days

97thpercentile

Very high risk: more likely to be exploited than 97% of all known CVEs.

References

http://archives.neohapsis.com/archives/bugtraq/2002-09/0086.html
http://archives.neohapsis.com/archives/bugtraq/2002-09/0132.html
http://www.debian.org/security/2002/dsa-168
http://www.securityfocus.com/bid/5681
https://exchange.xforce.ibmcloud.com/vulnerabilities/10080

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.