CVE-2006-4432: Directory traversal vulnerability in Zend Platform 2.2.1 and earlier allows remote attackers to overwrite arbitrary files via a .. (dot dot) sequence ...

Description

Directory traversal vulnerability in Zend Platform 2.2.1 and earlier allows remote attackers to overwrite arbitrary files via a .. (dot dot) sequence in the final component of the PHP session identifier (PHPSESSID). NOTE: in some cases, this issue can be leveraged to perform direct static code injection.

Metrics

EPSS Probability

2.04%

78.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions	Update
Zend	Zend Platform	<= 2.2.1a	A

References

Timeline

Published: Aug 29, 2006
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2006-4432?

Directory traversal vulnerability in Zend Platform 2.2.1 and earlier allows remote attackers to overwrite arbitrary files via a .. (dot dot) sequence in the final component of the PHP session identifier (PHPSESSID). NOTE: in some cases, this issue can be leveraged to perform direct static code injection.

How severe is CVE-2006-4432?

Severity scoring for CVE-2006-4432 is pending analysis. The EPSS model estimates a 2.04% probability of exploitation in the next 30 days.

How do I fix CVE-2006-4432?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.