How severe is CVE-2009-4373?

CVE-2009-4373 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2009-4373 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-4373?

CVE-2009-4373 primarily affects Alienvault Open Source Security Information Management. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-4373?

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-2009-4373 published?

CVE-2009-4373 was published on 2009-12-21 and last updated on 2026-06-16.

CVE-2009-4373

CVE-2009-4373 is a high-severity vulnerability in Alienvault Open Source Security Information Management 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: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Alienvault Open Source Security Information Management
Published: 2009-12-21
Last modified: 2026-06-16

Description

Unrestricted file upload vulnerability in repository/repository_attachment.php in AlienVault Open Source Security Information Management (OSSIM) 2.1.5, and possibly other versions before 2.1.5-4, allows remote attackers to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in ossiminstall/uploads/.

Frequently asked questions

What is CVE-2009-4373?: Unrestricted file upload vulnerability in repository/repository_attachment.php in AlienVault Open Source Security Information Management (OSSIM) 2.1.5, and possibly other versions before 2.1.5-4, allows remote attackers to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in ossiminstall/uploads/.
How severe is CVE-2009-4373?: CVE-2009-4373 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2009-4373 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4373?: CVE-2009-4373 primarily affects Alienvault Open Source Security Information Management. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-4373?: 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-2009-4373 published?: CVE-2009-4373 was published on 2009-12-21 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:alienvault:open_source_security_information_management:2.1.5:*:*:*:*:*:*:*
cpe:2.3:a:alienvault:open_source_security_information_management:2.1.5-1:*:*:*:*:*:*:*
cpe:2.3:a:alienvault:open_source_security_information_management:2.1.5-2:*:*:*:*:*:*:*
cpe:2.3:a:alienvault:open_source_security_information_management:2.1.5-3:*:*:*:*:*:*:*

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