How severe is CVE-2003-1426?

CVE-2003-1426 has a CVSS 2.0 base score of 3.3, rated low severity.

Is CVE-2003-1426 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-1426?

CVE-2003-1426 affects Cpanel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2003-1426?

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

When was CVE-2003-1426 published?

CVE-2003-1426 was published on 2003-12-31 and last updated on 2026-06-16.

CVE-2003-1426

CVE-2003-1426 is a low-severity vulnerability in Cpanel with a CVSS 2.0 base score of 3.3. 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-16.

Key facts

Severity: Low (CVSS 2.0 base score 3.3)
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-16
Affected product: Cpanel
Published: 2003-12-31
Last modified: 2026-06-16

Description

Openwebmail in cPanel 5.0, when run using suid Perl, adds the directory in the SCRIPT_FILENAME environment variable to Perl's @INC include array, which allows local users to execute arbitrary code by modifying SCRIPT_FILENAME to reference a directory containing a malicious openwebmail-shared.pl executable.

Frequently asked questions

What is CVE-2003-1426?: Openwebmail in cPanel 5.0, when run using suid Perl, adds the directory in the SCRIPT_FILENAME environment variable to Perl's @INC include array, which allows local users to execute arbitrary code by modifying SCRIPT_FILENAME to reference a directory containing a malicious openwebmail-shared.pl executable.
How severe is CVE-2003-1426?: CVE-2003-1426 has a CVSS 2.0 base score of 3.3, rated low severity.
Is CVE-2003-1426 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-1426?: CVE-2003-1426 affects Cpanel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2003-1426?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-1426 published?: CVE-2003-1426 was published on 2003-12-31 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:cpanel:cpanel:5.0:*:*:*:*:*:*:*

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