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CVE-2009-4412

6.0 · MEDIUM

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 exte…

Published Dec 24, 2009s9yEPSS 1.85%

Overview

CVE-2009-4412 is a medium-severity vulnerability affecting s9y serendipity. It was published on December 24, 2009 and has a CVSS 2.0 base score of 6.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 6.0, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from s9y. Update serendipity to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
s9yserendipity0Affected

References

Refblog.s9y.org/archives/211-Serendipity-1.5-released.htmlRefosvdb.org/61245Refsecunia.com/advisories/37830Refwww.openwall.com/lists/oss-security/2009/12/21/1Refwww.vupen.com/english/advisories/2009/3626Refexchange.xforce.ibmcloud.com/vulnerabilities/54985Refblog.s9y.org/archives/211-Serendipity-1.5-released.htmlRefosvdb.org/61245Refsecunia.com/advisories/37830Refwww.openwall.com/lists/oss-security/2009/12/21/1

How CyberStrike helps

Frequently asked questions

What is CVE-2009-4412?

CVE-2009-4412 is a medium-severity vulnerability affecting s9y serendipity. It was published on December 24, 2009 and has a CVSS 2.0 base score of 6.0 (MEDIUM).

How severe is CVE-2009-4412?

This vulnerability has a CVSS 2.0 base score of 6.0, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2009-4412?

Check the references section for vendor advisories and patches from s9y. Update serendipity to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2009-4412?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-4412 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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