CVE-2015-3963

MediumCVSS 5.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 2.0 5.8/10AV:N/AC:M/Au:N/C:N/I:P/A:P

Weakness enumeration

CWE-330

Affected software

No affected versions have been published.

Timeline

Published: Aug 4, 2015
Last modified: Jun 17, 2026
NVD status: Modified

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