How severe is CVE-2009-20006?

CVE-2009-20006 has a CVSS 4.0 base score of 9.3, rated critical severity.

Is CVE-2009-20006 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2009-20006?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2009-20006 have an EU (EUVD) identifier?

Yes. CVE-2009-20006 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2009-5126.

When was CVE-2009-20006 published?

CVE-2009-20006 was published on 2025-09-16 and last updated on 2026-06-16.

CVE-2009-20006

CVE-2009-20006 is a critical-severity vulnerability with a CVSS 4.0 base score of 9.3. 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-434.

Key facts

Severity: Critical (CVSS 4.0 base score 9.3)
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2009-5126
Weakness: CWE-434
Published: 2025-09-16
Last modified: 2026-06-16

Description

osCommerce versions up to and including 2.2 RC2a contain a vulnerability in its administrative file manager utility (admin/file_manager.php). The interface allows file uploads and edits without sufficient input validation or access control. An unauthenticated attacker can craft a POST request to upload a .php file containing arbitrary code, which is then executed by the server.

Frequently asked questions

What is CVE-2009-20006?: osCommerce versions up to and including 2.2 RC2a contain a vulnerability in its administrative file manager utility (admin/file_manager.php). The interface allows file uploads and edits without sufficient input validation or access control. An unauthenticated attacker can craft a POST request to upload a .php file containing arbitrary code, which is then executed by the server.
How severe is CVE-2009-20006?: CVE-2009-20006 has a CVSS 4.0 base score of 9.3, rated critical severity.
Is CVE-2009-20006 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2009-20006?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2009-20006 have an EU (EUVD) identifier?: Yes. CVE-2009-20006 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2009-5126.
When was CVE-2009-20006 published?: CVE-2009-20006 was published on 2025-09-16 and last updated on 2026-06-16.

References

Other CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities

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CVE-2026-40772 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in GeekyBot <= 1.2.2 versions.
CVE-2026-40412 — Critical (CVSS 10.0): Unrestricted upload of file with dangerous type in Azure Orbital Spatio allows an unauthorized attacker to execute code…

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