TI-2021-16851 Aliases CVE-2021-39602 GHSA-9mm8-jmrr-729x

A Buffer Overflow vulnerabilty exists in Miniftpd 1.0 in the do_mkd function in the…

LOW 30CWE-120Published 2021-08-23 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

A Buffer Overflow vulnerabilty exists in Miniftpd 1.0 in the do_mkd function in the ftpproto.c file, which could let a remote malicious user cause a Denial of Service.

Why it matters now

EPSS 0.00848 58th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:miniftpd_project:miniftpd:1.0:::::::*	1.0	Vulnerable	Miniftpd Project

cpe:2.3:a:miniftpd_project:miniftpd:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·Miniftpd Project

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-39602
2026-10-03 Alias added: GHSA-9mm8-jmrr-729x

References

Exploit 1

https://github.com/Gabe-commiter/Miniftpd/issues/1

TI-2021-17372 A Buffer Overflow vulnerability exists in the latest version of Miniftpd in the do_retr function in ftpproto.c CVSS 3.1CRITICAL 9.8
TI-2021-18868 A local buffer overflow vulnerability exists in the latest version of Miniftpd in… CVSS 3.1HIGH 7.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences