CVE-2013-10065 HIGH

CVE-2013-10065: Sysax Multi-Server <= 6.10 SSHD Key Exchange DoS

Vendor Sysax Software
Product Multi-Server
Weakness CWE-248
Published August 5, 2025
Last update November 21, 2025

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

A denial-of-service vulnerability 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 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.

Key dates

02Disclosure timeline

August 5, 2025 CVE published
November 21, 2025 Record updated