How severe is CVE-2004-0016?

CVE-2004-0016 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2004-0016 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-2004-0016?

CVE-2004-0016 affects Phpgroupware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2004-0016?

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-2004-0016 published?

CVE-2004-0016 was published on 2004-02-03 and last updated on 2026-06-16.

CVE-2004-0016

CVE-2004-0016 is a high-severity vulnerability in Phpgroupware 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: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Phpgroupware
Published: 2004-02-03
Last modified: 2026-06-16

Description

The calendar module for phpgroupware 0.9.14 does not enforce the "save extension" feature for holiday files, which allows remote attackers to create and execute PHP files.

Frequently asked questions

What is CVE-2004-0016?: The calendar module for phpgroupware 0.9.14 does not enforce the "save extension" feature for holiday files, which allows remote attackers to create and execute PHP files.
How severe is CVE-2004-0016?: CVE-2004-0016 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2004-0016 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-2004-0016?: CVE-2004-0016 affects Phpgroupware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2004-0016?: 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-2004-0016 published?: CVE-2004-0016 was published on 2004-02-03 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:phpgroupware:phpgroupware:0.9.14:*:*:*:*:*:*:*

More vulnerabilities in Phpgroupware

CVE-2004-2407 — Critical (CVSS 10.0): Unknown vulnerability in phpGroupWare before 0.9.14.002 has unknown attack vectors and impact, related to a "security…
CVE-2004-2406 — Critical (CVSS 10.0): Unknown "overflow" in the phpgw_config table for phpGroupWare before 0.9.14.002 has unknown attack vectors and impact.
CVE-2003-0599 — Critical (CVSS 10.0): Unknown vulnerability in the Virtual File System (VFS) capability for phpGroupWare 0.9.16preRC and versions before…
CVE-2001-0043 — Critical (CVSS 10.0): phpGroupWare before 0.9.7 allows remote attackers to execute arbitrary PHP commands by specifying a malicious include…
CVE-2010-0404 — High (CVSS 7.5): Multiple SQL injection vulnerabilities in phpGroupWare (phpgw) before 0.9.16.016 allow remote attackers to execute…
CVE-2009-4415 — High (CVSS 7.5): Multiple directory traversal vulnerabilities in phpGroupWare 0.9.16.12, and possibly other versions before 0.9.16.014,…

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