VYPR
Unrated severityNVD Advisory· Published Aug 4, 2015· Updated Jun 17, 2026

CVE-2015-3963

CVE-2015-3963

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

8
  • Windriver/Vxworks6 versions
    cpe:2.3:o:windriver:vxworks:*:*:*:*:*:*:*:*+ 5 more
    • cpe:2.3:o:windriver:vxworks:*:*:*:*:*:*:*:*range: >=6.5,<=6.6
    • cpe:2.3:o:windriver:vxworks:6.6.3:*:*:*:cert:*:*:*
    • cpe:2.3:o:windriver:vxworks:6.6.4.1:*:*:*:cert:*:*:*
    • cpe:2.3:o:windriver:vxworks:6.6.4:*:*:*:cert:*:*:*
    • cpe:2.3:o:windriver:vxworks:7.0:*:*:*:*:*:*:*
    • (no CPE)range: before 5.5.1, 6.5.x-6.7.x before 6.7.1.1, 6.8.x before 6.8.3, 6.9.x before 6.9.4.4, 7.x before 7
  • Range: 1.2.2.0
  • Range: <J2

Patches

Vulnerability mechanics

References

7

News mentions

0

No linked articles in our index yet.