CVE-2011-2523
9.8 · CRITICALOverview
CVE-2011-2523 is a critical-severity vulnerability affecting vsftpd_project vsftpd. It was published on November 27, 2019 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
vsftpd 2.3.4 downloaded between 20110630 and 20110703 contains a backdoor which opens a shell on port 6200/tcp.
Remediation
Check the references section for vendor advisories and patches from vsftpd_project. Update vsftpd 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
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References
Frequently Asked Questions
What is CVE-2011-2523?
CVE-2011-2523 is a critical-severity vulnerability affecting vsftpd_project vsftpd. It was published on November 27, 2019 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2011-2523?
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2011-2523?
Check the references section for vendor advisories and patches from vsftpd_project. Update vsftpd 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-2011-2523?
CyberStrike's AI-powered security agents can automatically detect CVE-2011-2523 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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