How severe is CVE-2003-0863?

CVE-2003-0863 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2003-0863 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-0863?

CVE-2003-0863 primarily affects Php. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2003-0863?

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-2003-0863 published?

CVE-2003-0863 was published on 2003-11-17 and last updated on 2026-06-16.

CVE-2003-0863

CVE-2003-0863 is a high-severity vulnerability in Php 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: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Php
Published: 2003-11-17
Last modified: 2026-06-16

Description

The php_check_safe_mode_include_dir function in fopen_wrappers.c of PHP 4.3.x returns a success value (0) when the safe_mode_include_dir variable is not specified in configuration, which differs from the previous failure value and may allow remote attackers to exploit file include vulnerabilities in PHP applications.

Frequently asked questions

What is CVE-2003-0863?: The php_check_safe_mode_include_dir function in fopen_wrappers.c of PHP 4.3.x returns a success value (0) when the safe_mode_include_dir variable is not specified in configuration, which differs from the previous failure value and may allow remote attackers to exploit file include vulnerabilities in PHP applications.
How severe is CVE-2003-0863?: CVE-2003-0863 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2003-0863 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0863?: CVE-2003-0863 primarily affects Php. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0863?: 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-2003-0863 published?: CVE-2003-0863 was published on 2003-11-17 and last updated on 2026-06-16.

References

http://marc.info/?l=bugtraq&m=105839111204227

Affected products (3)

cpe:2.3:a:php:php:4.3.0:*:*:*:*:*:*:*
cpe:2.3:a:php:php:4.3.1:*:*:*:*:*:*:*
cpe:2.3:a:php:php:4.3.2:*:*:*:*:*:*:*

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