How severe is CVE-2006-4432?

CVE-2006-4432 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2006-4432 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-4432?

CVE-2006-4432 affects Zend Zend Platform. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-4432?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2006-4432 published?

CVE-2006-4432 was published on 2006-08-29 and last updated on 2026-06-16.

CVE-2006-4432

CVE-2006-4432 is a high-severity vulnerability in Zend Zend Platform with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Zend Zend Platform
Published: 2006-08-29
Last modified: 2026-06-16

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.

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?: CVE-2006-4432 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2006-4432 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-4432?: CVE-2006-4432 affects Zend Zend Platform. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-4432?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2006-4432 published?: CVE-2006-4432 was published on 2006-08-29 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:zend:zend_platform:*:a:*:*:*:*:*:*

More vulnerabilities in Zend Zend Platform

CVE-2006-4431 — High (CVSS 7.5): Multiple buffer overflows in the (a) Session Clustering Daemon and the (b) mod_cluster module in the Zend Platform…
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CVE-2007-1369 — Medium (CVSS 4.4): ini_modifier (sgid-zendtech) in Zend Platform 2.2.3 and earlier allows local users to modify the system php.ini file by…

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