Home/CVE/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 b
CVE

CVE-2015-3963

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 b

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.

MEDIUM · CVSS 5.8 EPSS 0.03005
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-330Use of Insufficiently Random Values
▤

Affected Products & Versions

5
windriver vxworks>= 6.5 and <= 6.6
windriver vxworks>= 6.7 and < 6.7.1.1
windriver vxworks>= 6.8 and < 6.8.3
windriver vxworks>= 6.9 and < 6.9.4.4
windriver vxworksall versions
▣

Scoring & Timeline

5.8
MEDIUM · CVSS v2 (legacy) · ics-cert@hq.dhs.gov
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:M/Au:N/C:N/I:P/A:P
Published to NVD04 Aug 2015 · 01:59 AM
⚑

Vendor Advisories

1
cisa-csafcisa-csaf-csaf_files-OT-white-2015-icsa-15-169-01b
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.schneider-electric.com/ww/en/download/document/SEVD-2015-162-01PatchThird Party Advisory
http://www.securityfocus.com/bid/75302Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1032730Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1033181Third Party AdvisoryVDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-15-169-01Third Party AdvisoryUS Government Resource
https://ics-cert.us-cert.gov/advisories/ICSA-15-169-01AThird Party AdvisoryUS Government Resource
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