What is CVE-2021-42624?

CVE-2021-42624 is a high-severity vulnerability in Miniftpd Project, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2021-11-04.

How severe is CVE-2021-42624?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Miniftpd Project

CVE-2021-42624

A local buffer overflow vulnerability exists in the latest version of Miniftpd in ftpproto.c through the tmp variable, where a crafted payload can be sent to the affected function.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (22.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Miniftpd_project Miniftpd
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-42624?: CVE-2021-42624 is a high-severity vulnerability in Miniftpd Project, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2021-11-04.
How severe is CVE-2021-42624?: High severity. CVSS v3 base score is 7.8 out of 10.