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.
SeverityMedium
CVSS5.8
Exploit probability—
ProductWindriver Vxworks
PublishedAug 4, 2015
First seenAug 4, 2015
How to fix
Update
- windriver vxworks6.7.1.1, 6.8.3, 6.9.4.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| windriver vxworks | 6.5 ≤ v ≤ 6.6, 6.7 ≤ v < 6.7.1.1, 6.8 ≤ v < 6.8.3, 6.9 ≤ v < 6.9.4.4, 6.6.3, 6.6.4, 6.6.4.1, 7.0 | 6.7.1.1, 6.8.3, 6.9.4.4 |
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