What’s Vulnerable › Vulnerabilities

CVE-2002-0121

• Severity: low (CVSS 2.1 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2002-03-25 · updated 2026-06-16

Description

PHP 4.0 through 4.1.1 stores session IDs in temporary files whose name contains the session ID, which allows local users to hijack web connections.

Affected products

• PHP: 4.0.4, 4.0.5, 4.0.6, 4.1.0, 4.1.2

References

• http://online.securityfocus.com/archive/1/250196
• http://www.iss.net/security_center/static/7908.php
• http://www.securityfocus.com/bid/3873
• http://online.securityfocus.com/archive/1/250196
• http://www.iss.net/security_center/static/7908.php
• http://www.securityfocus.com/bid/3873

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