CVE-2023-51713

View on CVE.org

Published Dec 22, 2023 CVSS 3.1 · 7.5 High EPSS 4.2% KEV · Not listed

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:proftpd:proftpd:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
Debian DLA	DLA-3975-1	proftpd-dfsg security update
Ubuntu USN	USN-7297-1	ProFTPD vulnerabilities

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: 4.2% (4.249% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/proftpd/proftpd/blob/1.3.8/NEWS
https://github.com/proftpd/proftpd/issues/1683
https://github.com/proftpd/proftpd/issues/1683#issuecomment-1712887554
https://lists.debian.org/debian-lts-announce/2024/11/msg00032.html

History

Nov 3, 2025 10:30 PM Added references View changes

Type	Values Removed	Values Added
References		https://lists.debian.org/debian-lts-announce/2024/11/msg00032.html

Subscriptions

Proftpd Proftpd

Weaknesses

CWE-125

Sources

CVE record Updated: Nov 3, 2025, 9:50 PM

Status: PUBLISHED
Assigner: mitre
Published: Dec 22, 2023, 12:00 AM
Updated: Nov 3, 2025, 9:50 PM
Reserved: Dec 22, 2023, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 6:41 AM

Status: Modified
Published: Dec 22, 2023, 3:15 AM
Modified: Jun 17, 2026, 6:41 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:proftpd:proftpd:*:*:*:*:*:*:*:*", "matchCriteriaId": "82A8E114-13E4-4799-8838-37D9BB4BB4D1", "versionEndExcluding": "1.3.8a", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "make_ftp_cmd en main.c en ProFTPD anterior a 1.3.8a tiene una lectura fuera de los l\u00edmites de un byte y el daemon falla debido a un mal manejo de las sem\u00e1nticas de quote/backslash."}], "id": "CVE-2023-51713", "lastModified": "2026-06-17T06:41:31.310", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-12-22T03:15:09.730", "references": [{"source": "cve@mitre.org", "tags": ["Release Notes"], "url": "https://github.com/proftpd/proftpd/blob/1.3.8/NEWS"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Issue Tracking", "Patch", "Vendor Advisory"], "url": "https://github.com/proftpd/proftpd/issues/1683"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Issue Tracking", "Patch", "Vendor Advisory"], "url": "https://github.com/proftpd/proftpd/issues/1683#issuecomment-1712887554"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes"], "url": "https://github.com/proftpd/proftpd/blob/1.3.8/NEWS"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Patch", "Vendor Advisory"], "url": "https://github.com/proftpd/proftpd/issues/1683"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Patch", "Vendor Advisory"], "url": "https://github.com/proftpd/proftpd/issues/1683#issuecomment-1712887554"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2024/11/msg00032.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}]}