How severe is CVE-2007-5447?

CVE-2007-5447 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2007-5447 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-5447?

CVE-2007-5447 primarily affects Ioncube Php Encoder. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-5447?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2007-5447 published?

CVE-2007-5447 was published on 2007-10-14 and last updated on 2026-06-16.

CVE-2007-5447

CVE-2007-5447 is a medium-severity vulnerability in Ioncube Php Encoder with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Ioncube Php Encoder
Published: 2007-10-14
Last modified: 2026-06-16

Description

ioncube_loader_win_5.2.dll in the ionCube Loader 6.5 extension for PHP 5.2.4 does not follow safe_mode and disable_functions restrictions, which allows context-dependent attackers to bypass intended limitations, as demonstrated by reading arbitrary files via the ioncube_read_file function.

Frequently asked questions

What is CVE-2007-5447?: ioncube_loader_win_5.2.dll in the ionCube Loader 6.5 extension for PHP 5.2.4 does not follow safe_mode and disable_functions restrictions, which allows context-dependent attackers to bypass intended limitations, as demonstrated by reading arbitrary files via the ioncube_read_file function.
How severe is CVE-2007-5447?: CVE-2007-5447 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2007-5447 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-5447?: CVE-2007-5447 primarily affects Ioncube Php Encoder. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-5447?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-5447 published?: CVE-2007-5447 was published on 2007-10-14 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:ioncube:php_encoder:6.5:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.2.4:*:*:*:*:*:*:*

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