How severe is CVE-2001-1246?

CVE-2001-1246 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2001-1246 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-1246?

CVE-2001-1246 affects Php. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2001-1246?

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-2001-1246 published?

CVE-2001-1246 was published on 2001-06-30 and last updated on 2026-06-16.

CVE-2001-1246

CVE-2001-1246 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. The underlying weakness is classified as CWE-88.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-88
Affected product: Php
Published: 2001-06-30
Last modified: 2026-06-16

Description

PHP 4.0.5 through 4.1.0 in safe mode does not properly cleanse the 5th parameter to the mail() function, which allows local users and possibly remote attackers to execute arbitrary commands via shell metacharacters.

Frequently asked questions

What is CVE-2001-1246?: PHP 4.0.5 through 4.1.0 in safe mode does not properly cleanse the 5th parameter to the mail() function, which allows local users and possibly remote attackers to execute arbitrary commands via shell metacharacters.
How severe is CVE-2001-1246?: CVE-2001-1246 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2001-1246 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-1246?: CVE-2001-1246 affects Php. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2001-1246?: 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-2001-1246 published?: CVE-2001-1246 was published on 2001-06-30 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:php:php:*:*:*:*:*:*:*:*

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