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CVE-2013-10065

40
FAUCET Score

CVE-2013-10065 is a denial-of-service vulnerability affecting Sysax Multi-Server version 6.10, specifically its SSH daemon. An unauthenticated attacker can trigger a service crash by sending a specially crafted SSH key exchange packet containing a non-standard byte, leading to a loss of availability. This vulnerability has a CVSS score of 7.5 (HIGH) due to its network-based attack vector, low attack complexity, and high impact on availability. While not listed in CISA's KEV catalog, a Metasploit module exists for exploitation, and it has garnered significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
6.10CPE matchmatch criteria
cpe:2.3:a:sysax:multi_server:6.10:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

8.7HIGH

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
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
NONE
VS Integrity
NONE
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
1.14%
Probability of exploitation in next 30 days
EPSS Percentile
63.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
Metasploit: Sysax Multi-Server 6.10 SSHD Key Exchange Denial of Service · Mar 17, 2013
This CVE's current EPSS score of 0.0114 is in the 41st percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

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