CVE-2009-4412

CVE-2009-4412 is a medium-severity vulnerability in S9y Serendipity with a CVSS 2.0 base score of 6.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Unrestricted file upload vulnerability in Serendipity before 1.5 allows remote authenticated users to execute arbitrary code by uploading a file with an executable extension followed by a safe extension, then accessing it via a direct request to the file in an unspecified directory. NOTE: some of these details are obtained from third party information.

Frequently asked questions

What is CVE-2009-4412?
Unrestricted file upload vulnerability in Serendipity before 1.5 allows remote authenticated users to execute arbitrary code by uploading a file with an executable extension followed by a safe extension, then accessing it via a direct request to the file in an unspecified directory. NOTE: some of these details are obtained from third party information.
How severe is CVE-2009-4412?
CVE-2009-4412 has a CVSS 2.0 base score of 6.0, rated medium severity.
Is CVE-2009-4412 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4412?
CVE-2009-4412 primarily affects S9y Serendipity. In total, 34 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-4412?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-4412 published?
CVE-2009-4412 was published on 2009-12-24 and last updated on 2026-06-16.

References

Affected products (34)

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