Freesshd » Freesshd : Security Vulnerabilities, CVEs, CVSS score >= 8

Insecure access control in freeSSHd version 1.3.1 allows attackers to obtain the privileges of the freesshd.exe process by leveraging the ability to login to an unprivileged account on the server.

freeSSHd.exe in freeSSHd through 1.2.6 allows remote attackers to bypass authentication via a crafted session, as demonstrated by an OpenSSH client with modified versions of ssh.c and sshconnect2.c.

Multiple buffer overflows in freeSSHd 1.2.1 allow remote authenticated users to cause a denial of service (crash) and execute arbitrary code via a long (1) open, (2) unlink, (3) mkdir, (4) rmdir, or (5) stat SFTP command.

Stack-based buffer overflow in freeSSHd 1.2.1 allows remote authenticated users to cause a denial of service (service crash) and potentially execute arbitrary code via a long argument to the (1) rename and (2) realpath parameters.

Stack-based buffer overflow in SFTP in freeSSHd 1.2.1 allows remote authenticated users to execute arbitrary code via a long directory name in an SSH_FXP_OPENDIR (aka opendir) command.