Is CVE-2023-51713 actively exploited?

CVE-2023-51713 has no public evidence of in-the-wild exploitation as of 2025-11-03.

What is the CVSS score for CVE-2023-51713?

CVE-2023-51713 has a CVSS score of 7.5 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

How do I patch CVE-2023-51713?

Patch guidance is available from proftpd security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2023-51713.

Fix CVE-2023-51713 - HIGH proftpd proftpd

Description

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-125 · Out-of-bounds Read

Metadata

Primary Vendor: PROFTPD
Published: 12/22/2023
Last Modified: 11/3/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2023-51713

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary