How severe is CVE-2004-1603?

CVE-2004-1603 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2004-1603 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-1603?

CVE-2004-1603 affects Cpanel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2004-1603?

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

When was CVE-2004-1603 published?

CVE-2004-1603 was published on 2004-10-18 and last updated on 2026-06-16.

CVE-2004-1603

CVE-2004-1603 is a medium-severity vulnerability in Cpanel with a CVSS 3.x base score of 5.5. 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-59.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-59
Affected product: Cpanel
Published: 2004-10-18
Last modified: 2026-06-16

Description

cPanel 9.4.1-RELEASE-64 follows hard links, which allows local users to (1) read arbitrary files via the backup feature or (2) chown arbitrary files via the .htaccess file when Front Page extensions are enabled or disabled.

Frequently asked questions

What is CVE-2004-1603?: cPanel 9.4.1-RELEASE-64 follows hard links, which allows local users to (1) read arbitrary files via the backup feature or (2) chown arbitrary files via the .htaccess file when Front Page extensions are enabled or disabled.
How severe is CVE-2004-1603?: CVE-2004-1603 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2004-1603 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-1603?: CVE-2004-1603 affects Cpanel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2004-1603?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-1603 published?: CVE-2004-1603 was published on 2004-10-18 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:cpanel:cpanel:9.4.1:*:*:*:*:*:*:*

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