CVE Feed

    Dashboard / CVE / CVE-2023-51713

    CVE-2023-51713

    make_ftp_cmd in main.c in ProFTPD before 1.3.8a has a one-byte out-of-bounds read, and daemon crash, because of mishandling of quote/backslash semantics.

    Published:Dec 22, 2023
    Last Modified:Nov 3, 2025
    EPS:Dec 22, 2023
    EPSS Score:0.70826
    CVSS Score:7.5

    Affected Products

    Vendor
    Proftpd
    Product
    Proftpd

    Exploits

    https://github.com/proftpd/proftpd/issues/1683https://github.com/proftpd/proftpd/issues/1683#issuecomment-1712887554https://github.com/proftpd/proftpd/issues/1683https://github.com/proftpd/proftpd/issues/1683#issuecomment-1712887554

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

    CVE-2026-63091 (CVSS 7.1) — ProFTPD before 1.3.9c and 1.3.10rc3 contains a signed integer overflow vulnerability in the mod_sftp module's …
    CVE-2026-63090 (CVSS 8.7) — ProFTPD before 1.3.9c and 1.3.10rc3 contains a heap-based buffer overflow vulnerability in the mod_sftp module…
    CVE-2026-53994 (CVSS 7.7) — ProFTPD mod_sftp contains a heap-based buffer overflow reachable by an authenticated SFTP user. The fxp_packet…
    CVE-2026-35025 (CVSS 8.6) — ProFTPD through 1.3.9b and 1.3.10rc2 contains an access control bypass vulnerability that allows authenticated…
    CVE-2026-44331 (CVSS 8.1) — In ProFTPD through 1.3.9a before 7666224, a SQL injection vulnerability in sqltab_fetch_clients_cb() in contri…
    CVE-2026-42167 (CVSS 8.1) — mod_sql in ProFTPD before 1.3.9a allows remote attackers to execute arbitrary code via a username, in scenario…
    CVE-2021-47865 (CVSS 8.7) — ProFTPD 1.3.7a contains a denial of service vulnerability that allows attackers to overwhelm the server by cre…
    CVE-2010-20103 (CVSS 9.3) — A malicious backdoor was embedded in the official ProFTPD 1.3.3c source tarball distributed between November 2…
    CVE-2024-48651 (CVSS 7.5) — In ProFTPD through 1.3.8b before cec01cc, supplemental group inheritance grants unintended access to GID 0 bec…
    CVE-2023-48795 (CVSS 5.9) — The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, al…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High