CVE-2012-10023

CRITICAL

CVSS v3

9.8

CRITICAL

EPSS Score

70.6%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

A stack-based buffer overflow vulnerability exists in FreeFloat FTP Server version 1.0.0. The server fails to properly validate input passed to the USER command, allowing remote attackers to overwrite memory and potentially execute arbitrary code. The flaw is triggered by sending an overly long username string, which overflows the buffer allocated for user authentication.

Technical Details

Published
8/5/2025

Frequently Asked Questions

What is CVE-2012-10023?

A stack-based buffer overflow vulnerability exists in FreeFloat FTP Server version 1.0.0. The server fails to properly validate input passed to the USER command, allowing remote attackers to overwrite memory and potentially execute arbitrary code. The flaw is triggered by sending an overly long username string, which overflows the buffer allocated for user authentication.

Is CVE-2012-10023 actively exploited?

Active exploitation of CVE-2012-10023 has not been confirmed. The EPSS score is 70.6%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2012-10023?

CVE-2012-10023 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2012-10023 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.