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TI-2013-06205 Aliases CVE-2013-10065GHSA-r9wj-gm7p-2529

Sysax Multi-Server <= 6.10 SSHD Key Exchange DoS

Priority HIGH 77CWE-248Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-248.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0194 80th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Sysax SoftwareMulti-Server6.10—No fix listedCNA
  • Multi-Server VendorSysax Software Affected 6.10 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:sysax:multi_server:6.10:*:*:*:*:*:*:*6.10VulnerableSysax
  • cpe:2.3:a:sysax:multi_server:6.10:*:*:*:*:*:*:* Versions 6.10 Vulnerable ·Sysax

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2013-10065
  2. 2026-10-03 Alias added: GHSA-r9wj-gm7p-2529

References

  • TI-2012-05483 Sysax Multi Server < 5.55 SSH Username Buffer Overflow CVSS 4.0CRITICAL 9.3
  • TI-2024-35807 Sysax Multi Server 6.99 is vulnerable to a denial of service (DoS) condition when… CVSS 3.1HIGH 7.5
  • TI-2012-05248 Stack-based buffer overflow in Sysax Multi Server before 5.52, when HTTP is enabled… CVSS 2.0HIGH 7.1
  • TI-2024-35808 Sysax Multi Server 6.99 is vulnerable to Cross Site Scripting (XSS) via the /scgi?sid parameter. CVSS 3.1MEDIUM 6.1
  • TI-2023-30611 Sysax Multi Server 6.95 - 'Password' Denial of Service (PoC) CVSS 4.0MEDIUM 5.1
  • TI-2009-04546 Multiple directory traversal vulnerabilities in Sysax Multi Server 4.5 allow remote… CVSS 2.0HIGH 9.0
See all 11 →

Sources