CRITICAL
CVE-2011-2523
CVSS v3
9.8
CRITICAL
EPSS Score
94.3 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
vsftpd 2.3.4 downloaded between 20110630 and 20110703 contains a backdoor which opens a shell on port 6200/tcp.
Frequently asked questions
What is CVE-2011-2523?
vsftpd 2.3.4 downloaded between 20110630 and 20110703 contains a backdoor which opens a shell on port 6200/tcp.
Is CVE-2011-2523 actively exploited?
Active exploitation of CVE-2011-2523 has not been confirmed. The EPSS score is 94.3%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2011-2523?
CVE-2011-2523 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2011-2523 affecting your environment?
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