CVE-2009-4098

Openx vulnerability

CVSS

6.0

EPSS

18.7%

EPSS pct

97th

Exploited

No known

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.

Affected vendor

Openx

Affected product

Openx

CVSS vector

AV:N/AC:M/Au:S/C:P/I:P/A:P

Weakness type (CWE)

CWE-20 — Improper Input Validation

Published

2009-11-29

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring single-factor authentication. Successful exploitation leads to partial impact to confidentiality, partial impact to integrity, partial impact to availability.

Its EPSS score of 18.7% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2009-4098

Confirm whether Openx Openx is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2009-4098.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2009-4098

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2009-4098 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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