How severe is CVE-2009-3507?

CVE-2009-3507 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2009-3507 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-3507?

CVE-2009-3507 affects Jean-michel Wyttenbach Cmsphp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-3507?

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-2009-3507 published?

CVE-2009-3507 was published on 2009-10-01 and last updated on 2026-06-16.

CVE-2009-3507

CVE-2009-3507 is a high-severity vulnerability in Jean-michel Wyttenbach Cmsphp 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-22.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Jean-michel Wyttenbach Cmsphp
Published: 2009-10-01
Last modified: 2026-06-16

Description

Directory traversal vulnerability in modules.php in CMSphp 0.21 allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the mod_file parameter.

Frequently asked questions

What is CVE-2009-3507?: Directory traversal vulnerability in modules.php in CMSphp 0.21 allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the mod_file parameter.
How severe is CVE-2009-3507?: CVE-2009-3507 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2009-3507 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-3507?: CVE-2009-3507 affects Jean-michel Wyttenbach Cmsphp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-3507?: 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-2009-3507 published?: CVE-2009-3507 was published on 2009-10-01 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:jean-michel_wyttenbach:cmsphp:0.21:*:*:*:*:*:*:*

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