CVE-2013-10065

HIGH

Sysax Multi-Server 6.10 - Denial of Service via Malformed SSH Key Exchange Packet

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2013-10065. Includes Metasploit module auxiliary/dos/windows/ssh/sysax_sshd_kexchange.

AI-analyzed exploit summary This Metasploit module exploits a denial-of-service vulnerability in Sysax Multi-Server 6.10 by sending a malformed SSH Key Exchange packet, causing the service to crash. The exploit constructs a crafted packet with specific bytes and random data to trigger the vulnerability.

Description

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.

Exploits (1)

metasploit WORKING POC
rubypoc
https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/dos/windows/ssh/sysax_sshd_kexchange.rb

This Metasploit module exploits a denial-of-service vulnerability in Sysax Multi-Server 6.10 by sending a malformed SSH Key Exchange packet, causing the service to crash. The exploit constructs a crafted packet with specific bytes and random data to trigger the vulnerability.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Sysax Multi-Server 6.10
No auth needed
Prerequisites: Network access to the target SSH service (port 22)
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Scores

CVSS v3 7.5
EPSS 0.0109
EPSS Percentile 61.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-248
Status published
Products (1)
sysax/multi_server 6.10
Published Aug 05, 2025
Tracked Since Feb 18, 2026