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Vulnerability DatabaseCVE-2023-51713

CVE-2023-51713: 
ProFTPd vulnerability analysis and mitigation

Overview

CVE-2023-51713 affects ProFTPD versions before 1.3.8a, specifically in the make_ftp_cmd function within main.c. The vulnerability was discovered and involves a one-byte out-of-bounds read vulnerability that can lead to daemon crashes due to improper handling of quote and backslash semantics (NVD).

Technical details

The vulnerability is classified as an out-of-bounds read (CWE-125) with a CVSS v3.1 base score of 7.5 (HIGH). The attack vector is network-accessible, requires low attack complexity, and needs no privileges or user interaction. While the vulnerability doesn't impact confidentiality or integrity, it has a high impact on availability (NVD).

Impact

When exploited, this vulnerability can cause the ProFTPD daemon to crash, resulting in a denial of service condition. The primary impact is on system availability, with no direct effect on data confidentiality or integrity (Security Online).

Mitigation and workarounds

The vulnerability has been patched in ProFTPD version 1.3.8a. System administrators are advised to upgrade to this version or later to mitigate the risk. The fix addresses the quote/backslash semantics handling in the make_ftp_cmd function (NVD).

Additional resources

Source: This report was generated using AI

Related ProFTPd vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2010-20103CRITICAL9.3
  • ProFTPdProFTPd
  • cpe:2.3:a:proftpd:proftpd
NoNoAug 20, 2025
CVE-2024-48651HIGH7.5
  • ProFTPdProFTPd
  • proftpd
NoYesNov 29, 2024
CVE-2023-51713HIGH7.5
  • ProFTPdProFTPd
  • proftpd-lang
NoYesDec 22, 2023
CVE-2021-46854HIGH7.5
  • ProFTPdProFTPd
  • proftpd-dfsg
NoYesNov 23, 2022
CVE-2023-48795MEDIUM5.9
  • PythonPython
  • asyncssh
NoYesDec 18, 2023

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