CVE-2013-4211

CVE-2013-4211 is a critical-severity vulnerability in Openx with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 76% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-94.

Key facts

Description

A Code Execution Vulnerability exists in OpenX Ad Server 2.8.10 due to a backdoor in flowplayer-3.1.1.min.js library, which could let a remote malicious user execute arbitrary PHP code

Frequently asked questions

What is CVE-2013-4211?
A Code Execution Vulnerability exists in OpenX Ad Server 2.8.10 due to a backdoor in flowplayer-3.1.1.min.js library, which could let a remote malicious user execute arbitrary PHP code
How severe is CVE-2013-4211?
CVE-2013-4211 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2013-4211 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 76% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4211?
CVE-2013-4211 affects Openx. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-4211?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2013-4211 published?
CVE-2013-4211 was published on 2020-02-14 and last updated on 2026-06-16.

References

Affected products (1)

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