What is CVE-2023-22551?

CVE-2023-22551 is a high-severity vulnerability in FTP Project. CVSS score: 7.5/10. Published 2023-01-01.

How severe is CVE-2023-22551?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2023-22551 known to be exploited?

7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in FTP Project

CVE-2023-22551

The FTP (aka "Implementation of a simple FTP client and server") project through 96c1a35 allows remote attackers to cause a denial of service (memory consumption) by engaging in client activity, such as establishing and then terminating a connection. This occurs because malloc is used but free is not.

EPSS: 0.015 (71.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Ftp_project Ftp
N/a — versions n/a

Public proof-of-concept exploits

References

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

Frequently asked questions

What is CVE-2023-22551?: CVE-2023-22551 is a high-severity vulnerability in FTP Project. CVSS score: 7.5/10. Published 2023-01-01.
How severe is CVE-2023-22551?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-22551 known to be exploited?: 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.