Which versions of Multi Server are affected by CVE-2013-10065?

Organizations using Sysax Multi-Server face significant risk from CVE-2013-10065 rated CVSS 8.7.

Is there a public PoC exploit available for CVE-2013-10065?

Yes, a public proof-of-concept exploit is available for CVE-2013-10065. Prioritise patching immediately. EPSS: 48.9%.

How to fix or mitigate CVE-2013-10065?

Within 7 days: Identify all affected systems running Sysax Multi-Server and apply vendor patches promptly. Monitor vendor channels for patch availability.

Multi Server CVE-2013-10065

Q: What is the CVSS score of CVE-2013-10065?

CVE-2013-10065 has a CVSS 4.0 base score of 8.7 (High). 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/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. EPSS exploitation probability: 48.9%.

HIGH

Uncaught Exception (CWE-248)

2025-08-05 disclosure@vulncheck.com

Denial Of Service Microsoft Multi Server

8.7

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

8.7 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:05 vuln.today

PoC Detected

Oct 02, 2025 - 17:32 vuln.today

Public exploit code

CVE Published

Aug 05, 2025 - 20:15 nvd

HIGH 8.7

DescriptionCVE.org

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.

AnalysisAI

A denial-of-service vulnerability exists in Sysax Multi-Server version 6.10 via its SSH daemon. Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and EPSS exploitation probability 48.9%.

Technical ContextAI

This vulnerability is classified under CWE-248. 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. Affected products include: Sysax Multi Server. Version information: version 6.10.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.