CVE-2015-3963

N/A

Published: August 4, 2015 at 01:00 AM UTC

Updated: June 17, 2026 at 12:26 AM UTC

1 product affected across 1 vendorVxworks· also runs on 13 platforms

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Severity

N/A

Exploit prediction

EPSS 4%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Vxworks · Windriver

95%

6.5 ≤ v ≤ 6.66.7 ≤ v < 6.7.1.16.8 ≤ v < 6.8.36.9 ≤ v < 6.9.4.46.6.3 6.6.4 6.6.4.1 7.0

Affected range stops below 6.7.1.1, so it looks safe — our inference, not a vendor statement

Affected range stops below 6.8.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 6.9.4.4, so it looks safe — our inference, not a vendor statement

schneider-electric-sage-1210 (environment) · schneider-electric-sage-1230 (environment) · schneider-electric-sage-1250 (environment) · schneider-electric-sage-1310 (environment) · schneider-electric-sage-1330 (environment) · schneider-electric-sage-1350 (environment) · schneider-electric-sage-1410 (environment) · schneider-electric-sage-1430 (environment) · schneider-electric-sage-1450 (environment) · schneider-electric-sage-2200 (environment) · schneider-electric-sage-2400 (environment) · schneider-electric-sage-3030 (environment) · schneider-electric-sage-3030-magnum (environment)