PT-2025-31989 · Unknown · Sysax Multi Server

Published 2025-08-05 · Updated 2025-08-05 · CVE-2013-10065

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Sysax Multi-Server version 6.10

Description A denial-of-service issue exists in Sysax Multi-Server version 6.10 via its SSH daemon. A specially crafted SSH key exchange packet can trigger a crash in the service, resulting in a loss of availability. The flaw is triggered during the handling of malformed key exchange data, including a non-standard byte (x28) in place of the expected SSH protocol delimiter.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Weakness Enumeration

CWE-248

Related Identifiers

CVE-2013-10065

Affected Products

Sysax Multi Server

References · 6

• 🔥 https://mattandreko.com/2013/04/08/sysax-multi-server-6.10-ssh-dos · Exploit
• 🔥 https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/auxiliary/dos/windows/ssh/sysax_sshd_kexchange.rb · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2013-10065 · Security Note
• https://t.me/CVEtracker/29243 · Telegram Post
• https://sysax.com · Note
• https://vulncheck.com/advisories/sysax-multi-server-sshd-key-exchange-dos · Note