acFTP 1.4 allows remote attackers to cause a denial of service (application crash) via a long string with "{" (brace) characters to the USER command.
https://www.exploit-db.com/exploits/1749
https://exchange.xforce.ibmcloud.com/vulnerabilities/26258
http://www.vupen.com/english/advisories/2006/1674
http://www.securityfocus.com/bid/17855
Source: Mitre, NVD
Published: 2006-05-09
Updated: 2026-06-16
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: High
EPSS: 0.03737