CVE-2013-10065

HIGH EPSS 61.4%
Published Aug 5, 202510mo ago · Modified Jun 16, 20262w ago
8.7 CVSS 4.0
High
Find Similar
Published Aug 5, 2025 10mo ago
Last Modified Jun 16, 2026 2w ago

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.

CVSS Details

Base Score
8.7
Exploitability
—
Impact
—
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
61.4% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-248

Affected Products 1

VendorProductVersionRange
sysaxmulti_server6.10any

References 4

  • raw.githubusercontent.com https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/auxiliary/dos/windows/ssh/sysax_sshd_kexchange.rb
    Exploit
  • mattandreko.com https://www.mattandreko.com/2013/04/08/sysax-multi-server-6.10-ssh-dos/
    ExploitThird Party Advisory
  • sysax.com https://www.sysax.com/
    Product
  • vulncheck.com https://www.vulncheck.com/advisories/sysax-multi-server-sshd-key-exchange-dos
    Third Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.