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Vulnerability Details : CVE-2015-3963

Wind River VxWorks before 5.5.1, 6.5.x through 6.7.x before, 6.8.x before 6.8.3, 6.9.x before, and 7.x before 7 ipnet_coreip, as used on Schneider Electric SAGE RTU devices before J2 and other devices, does not properly generate TCP initial sequence number (ISN) values, which makes it easier for remote attackers to spoof TCP sessions by predicting an ISN value.
Publish Date : 2015-08-03 Last Update Date : 2017-11-09
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)

- Products Affected By CVE-2015-3963

# Product Type Vendor Product Version Update Edition Language
1 OS Windriver Vxworks 5.5 Version Details Vulnerabilities
2 OS Windriver Vxworks 6.5 Version Details Vulnerabilities
3 OS Windriver Vxworks 6.6 Version Details Vulnerabilities
4 OS Windriver Vxworks 6.7 Version Details Vulnerabilities
5 OS Windriver Vxworks 6.8 Version Details Vulnerabilities
6 OS Windriver Vxworks 6.9 Version Details Vulnerabilities
7 OS Windriver Vxworks 6.9.3 Version Details Vulnerabilities
8 OS Windriver Vxworks 6.9.4 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Windriver Vxworks 8

- References For CVE-2015-3963 CONFIRM
SECTRACK 1033181
BID 75302 Wind River VxWorks CVE-2015-3963 Predictable TCP Initial Sequence Security Bypass Vulnerability Release Date:2015-12-08

- Vulnerability Conditions

Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)

- Metasploit Modules Related To CVE-2015-3963

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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