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Vulnerability record · CVE-2019-12258 · published 9 August 2019

CVE-2019-12258: Windriver vxworks vulnerability

Windriver · Vxworks

Wind River VxWorks 6.6 through vx7 has Session Fixation in the TCP component. This is a IPNET security vulnerability: DoS of TCP connection via malformed TCP options.

7.5 CVSS 3.1 High EPSS 23% · top 2.3% CWE-384 · CWE-384
7.5CVSS 3.1 base score, v2 5.0
23%EPSS exploitation probability, 30 days
NoNot in CISA KEV
12Affected product versions listed by NVD
18References
17 Jun 2026Last modified by NVD

Description

Wind River VxWorks 6.6 through vx7 has Session Fixation in the TCP component. This is a IPNET security vulnerability: DoS of TCP connection via malformed TCP options.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

12 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://cert-portal.siemens.com/productcert/pdf/ssa-189842.pdf Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-352504.pdf Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-632562.pdf Third Party Advisory
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0009 Third Party Advisory
https://security.netapp.com/advisory/ntap-20190802-0001/ Third Party Advisory
https://support.f5.com/csp/article/K41190253 Third Party Advisory
https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2019-12258 Vendor Advisory
https://support2.windriver.com/index.php?page=security-notices Issue TrackingVendor Advisory
https://www.windriver.com/security/announcements/tcp-ip-network-stack-ipnet-urgent11/ Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-189842.pdf Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-352504.pdf Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-632562.pdf Third Party Advisory
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0009 Third Party Advisory
https://security.netapp.com/advisory/ntap-20190802-0001/ Third Party Advisory
https://support.f5.com/csp/article/K41190253 Third Party Advisory
https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2019-12258 Vendor Advisory
https://support2.windriver.com/index.php?page=security-notices Issue TrackingVendor Advisory
https://www.windriver.com/security/announcements/tcp-ip-network-stack-ipnet-urgent11/ Vendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2019-12258), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.