How severe is CVE-2001-1247?

CVE-2001-1247 has a CVSS 2.0 base score of 6.4, rated medium severity.

Is CVE-2001-1247 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-1247?

CVE-2001-1247 primarily affects Php. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2001-1247?

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

When was CVE-2001-1247 published?

CVE-2001-1247 was published on 2001-12-06 and last updated on 2026-06-16.

CVE-2001-1247

CVE-2001-1247 is a medium-severity vulnerability in Php with a CVSS 2.0 base score of 6.4. 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 6.4)
EPSS exploit prediction: 9% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Php
Published: 2001-12-06
Last modified: 2026-06-16

Description

PHP 4.0.4pl1 and 4.0.5 in safe mode allows remote attackers to read and write files owned by the web server UID by uploading a PHP script that uses the error_log function to access the files.

Frequently asked questions

What is CVE-2001-1247?: PHP 4.0.4pl1 and 4.0.5 in safe mode allows remote attackers to read and write files owned by the web server UID by uploading a PHP script that uses the error_log function to access the files.
How severe is CVE-2001-1247?: CVE-2001-1247 has a CVSS 2.0 base score of 6.4, rated medium severity.
Is CVE-2001-1247 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-1247?: CVE-2001-1247 primarily affects Php. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2001-1247?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2001-1247 published?: CVE-2001-1247 was published on 2001-12-06 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:php:php:4.0.4pl1:*:*:*:*:*:*:*
cpe:2.3:a:php:php:4.0.5:*:*:*:*:*:*:*

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