HIGH
Wind River VxWorks 6.7 though 6.9 and vx7 has a Buffer Overflow in the TCP component (issue 3 of 4). This is an IPNET security vulnerability: TCP Urgent Pointer state confusion during connect() to a remote host.
https://cert-portal.siemens.com/productcert/pdf/ssa-189842.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-632562.pdf
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0009
https://security.netapp.com/advisory/ntap-20190802-0001/
https://support.f5.com/csp/article/K41190253
https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2019-12261
https://support2.windriver.com/index.php?page=security-notices
https://www.windriver.com/security/announcements/tcp-ip-network-stack-ipnet-urgent11/
Source: MITRE
Published: 2019-08-09
Updated: 2019-09-10
Type: CWE-119
Base Score: 7.5
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 10
Severity: HIGH
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 3.9
Severity: CRITICAL