CRLF injection vulnerability in PHP 4.2.1 through 4.2.3, when allow_url_fopen is enabled…
Priority MEDIUM 40Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
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.
Why it matters now
EPSS 0.16741 97th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 17
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:php:php:3.0.14:*:*:*:*:*:*:* | 3.0.14 | Vulnerable | PHP |
| cpe:2.3:a:php:php:3.0.15:*:*:*:*:*:*:* | 3.0.15 | Vulnerable | PHP |
| cpe:2.3:a:php:php:3.0.16:*:*:*:*:*:*:* | 3.0.16 | Vulnerable | PHP |
| cpe:2.3:a:php:php:3.0.17:*:*:*:*:*:*:* | 3.0.17 | Vulnerable | PHP |
| cpe:2.3:a:php:php:3.0.18:*:*:*:*:*:*:* | 3.0.18 | Vulnerable | PHP |
| cpe:2.3:a:php:php:4.0.3:*:*:*:*:*:*:* | 4.0.3 | Vulnerable | PHP |
| cpe:2.3:a:php:php:4.0.4:*:*:*:*:*:*:* | 4.0.4 | Vulnerable | PHP |
| cpe:2.3:a:php:php:4.0.5:*:*:*:*:*:*:* | 4.0.5 | Vulnerable | PHP |
| cpe:2.3:a:php:php:4.0.6:*:*:*:*:*:*:* | 4.0.6 | Vulnerable | PHP |
| cpe:2.3:a:php:php:4.0.7:*:*:*:*:*:*:* | 4.0.7 | Vulnerable | PHP |
- cpe:2.3:a:php:php:3.0.14:*:*:*:*:*:*:* Versions 3.0.14 Vulnerable ·PHP
- cpe:2.3:a:php:php:3.0.15:*:*:*:*:*:*:* Versions 3.0.15 Vulnerable ·PHP
- cpe:2.3:a:php:php:3.0.16:*:*:*:*:*:*:* Versions 3.0.16 Vulnerable ·PHP
- cpe:2.3:a:php:php:3.0.17:*:*:*:*:*:*:* Versions 3.0.17 Vulnerable ·PHP
- cpe:2.3:a:php:php:3.0.18:*:*:*:*:*:*:* Versions 3.0.18 Vulnerable ·PHP
- cpe:2.3:a:php:php:4.0.3:*:*:*:*:*:*:* Versions 4.0.3 Vulnerable ·PHP
- cpe:2.3:a:php:php:4.0.4:*:*:*:*:*:*:* Versions 4.0.4 Vulnerable ·PHP
- cpe:2.3:a:php:php:4.0.5:*:*:*:*:*:*:* Versions 4.0.5 Vulnerable ·PHP
- cpe:2.3:a:php:php:4.0.6:*:*:*:*:*:*:* Versions 4.0.6 Vulnerable ·PHP
- cpe:2.3:a:php:php:4.0.7:*:*:*:*:*:*:* Versions 4.0.7 Vulnerable ·PHP
Show 7 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:php:php:4.1.0:*:*:*:*:*:*:* | 4.1.0 | Vulnerable | PHP |
| cpe:2.3:a:php:php:4.1.1:*:*:*:*:*:*:* | 4.1.1 | Vulnerable | PHP |
| cpe:2.3:a:php:php:4.1.2:*:*:*:*:*:*:* | 4.1.2 | Vulnerable | PHP |
| cpe:2.3:a:php:php:4.2.0:*:*:*:*:*:*:* | 4.2.0 | Vulnerable | PHP |
| cpe:2.3:a:php:php:4.2.1:*:*:*:*:*:*:* | 4.2.1 | Vulnerable | PHP |
| cpe:2.3:a:php:php:4.2.2:*:*:*:*:*:*:* | 4.2.2 | Vulnerable | PHP |
| cpe:2.3:a:php:php:4.2.3:*:*:*:*:*:*:* | 4.2.3 | Vulnerable | PHP |
- cpe:2.3:a:php:php:4.1.0:*:*:*:*:*:*:* Versions 4.1.0 Vulnerable ·PHP
- cpe:2.3:a:php:php:4.1.1:*:*:*:*:*:*:* Versions 4.1.1 Vulnerable ·PHP
- cpe:2.3:a:php:php:4.1.2:*:*:*:*:*:*:* Versions 4.1.2 Vulnerable ·PHP
- cpe:2.3:a:php:php:4.2.0:*:*:*:*:*:*:* Versions 4.2.0 Vulnerable ·PHP
- cpe:2.3:a:php:php:4.2.1:*:*:*:*:*:*:* Versions 4.2.1 Vulnerable ·PHP
- cpe:2.3:a:php:php:4.2.2:*:*:*:*:*:*:* Versions 4.2.2 Vulnerable ·PHP
- cpe:2.3:a:php:php:4.2.3:*:*:*:*:*:*:* Versions 4.2.3 Vulnerable ·PHP
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2002-1783
- 2026-10-03 Alias added: GHSA-5mpg-wwpc-q4pq
References
More Php vulnerabilities
- TI-2024-04260 Argument Injection in PHP-CGI KEVCVSS 3.1CRITICAL 9.8
- TI-2019-08259 Underflow in PHP-FPM can lead to RCE KEVCVSS 3.1CRITICAL 9.8
- TI-2012-01607 sapi/cgi/cgi_main.c in PHP before 5.3.12 and 5.4.x before 5.4.2, when configured as a CGI… KEVCVSS 3.1CRITICAL 9.8
- TI-2026-78794 PHP remote code execution via stale global state KEVCVSS 4.0CRITICAL 9.2
- TI-2026-78793 Out-of-memory handling flaw in PHP allows remote code execution KEVCVSS 4.0CRITICAL 9.2
- TI-2015-00205 Heap-based buffer overflow in the __nss_hostname_digits_dots function in glibc 2.2, and… CVSS 2.0HIGH 10.0
Sources
- CVE-2002-1783 · CVE Program
- CVE-2002-1783 · NVD
- FIRST EPSS
- GHSA-5mpg-wwpc-q4pq · GitHub Advisory Database · CC BY 4.0
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