CVE-2015-3963

MEDIUM

Description

Wind River VxWorks before 5.5.1, 6.5.x through 6.7.x before 6.7.1.1, 6.8.x before 6.8.3, 6.9.x before 6.9.4.4, and 7.x before 7 ipnet_coreip 1.2.2.0, 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.

References

http://www.schneider-electric.com/ww/en/download/document/SEVD-2015-162-01

http://www.securityfocus.com/bid/75302

http://www.securitytracker.com/id/1032730

http://www.securitytracker.com/id/1033181

https://ics-cert.us-cert.gov/advisories/ICSA-15-169-01

https://ics-cert.us-cert.gov/advisories/ICSA-15-169-01A

https://security.netapp.com/advisory/ntap-20160324-0001/

Details

Source: MITRE

Published: 2015-08-04

Updated: 2017-11-10

Type: CWE-20

Risk Information

CVSS v2.0

Base Score: 5.8

Vector: AV:N/AC:M/Au:N/C:P/I:N/A:P

Impact Score: 4.9

Exploitability Score: 8.6

Severity: MEDIUM