How severe is CVE-2009-4098?

CVE-2009-4098 has a CVSS 2.0 base score of 6.0, rated medium severity.

Is CVE-2009-4098 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-4098?

CVE-2009-4098 primarily affects Openx. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-4098?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2009-4098 published?

CVE-2009-4098 was published on 2009-11-29 and last updated on 2026-06-16.

CVE-2009-4098

CVE-2009-4098 is a medium-severity vulnerability in Openx with a CVSS 2.0 base score of 6.0. Its EPSS exploit-prediction score of 19% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 2.0 base score 6.0)
EPSS exploit prediction: 19% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Openx
Published: 2009-11-29
Last modified: 2026-06-16

Description

Unrestricted file upload vulnerability in banner-edit.php in OpenX adserver 2.8.1 and earlier allows remote authenticated users with banner / file upload permissions to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in an images directory.

Frequently asked questions

What is CVE-2009-4098?: Unrestricted file upload vulnerability in banner-edit.php in OpenX adserver 2.8.1 and earlier allows remote authenticated users with banner / file upload permissions to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in an images directory.
How severe is CVE-2009-4098?: CVE-2009-4098 has a CVSS 2.0 base score of 6.0, rated medium severity.
Is CVE-2009-4098 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4098?: CVE-2009-4098 primarily affects Openx. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-4098?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-4098 published?: CVE-2009-4098 was published on 2009-11-29 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:a:openx:openx:*:*:*:*:*:*:*:*
cpe:2.3:a:openx:openx:2.4:*:*:*:*:*:*:*
cpe:2.3:a:openx:openx:2.6.1:*:*:*:*:*:*:*
cpe:2.3:a:openx:openx:2.6.3:*:*:*:*:*:*:*
cpe:2.3:a:openx:openx:2.8:*:*:*:*:*:*:*

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