CVE-2002-1783 json
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 fo…
published 2002-12-31 23 y ago modified 2026-06-16 4 mo ago also EUVD-2002-1762
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 16.7%
- EPSS 16.7% chance of exploitation in 30 days, percentile 97%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Exploit prediction
16.74% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
Classification
- Technology feeds
References
-
debian.org
/security/2002/dsa-168
vendor-advisory, patch
-
archives.neohapsis.com
/archives/bugtraq/2002-09/0132.html
mailing-list, patch
-
securityfocus.com
/bid/5681
vdb-entry, patch
-
archives.neohapsis.com
/archives/bugtraq/2002-09/0086.html
mailing-list, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/10080
vdb-entry
Sources
- CVE List CVE-2002-1783
- NVD CVE-2002-1783
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.