CVSS 3.1 Score 7.5 of 10 (high)


Published Dec 22, 2023
Updated: Jan 8, 2024
CWE ID 125


CVE-2023-51713 is a high severity vulnerability categorized as CWE-125 (Out-of-bounds Read). It affects ProFTPD versions before 1.3.8a. The vulnerability is caused by the mishandling of quote/backslash semantics in the make_ftp_cmd function in main.c. This can result in a one-byte out-of-bounds read and lead to a daemon crash. The vulnerability has a base score of 7.5 and an exploitability score of 3.9 according to The impact score is 3.6, with no impact on confidentiality or integrity, but it poses a high availability impact risk. There is no need for privileged access or user interaction for the vulnerability to be exploited, and it can be exploited remotely over a network connection. Remediation would involve updating ProFTPD to version 1.3.8a or later to fix the issue and mitigate the potential danger it poses to organizations using affected versions of the software.

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