{"id":"CVE-2019-12260","aliases":["EUVD-2019-3902","GHSA-6422-rqxx-vrcj"],"status":"published","title":"Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the TCP component (issue 2 of 4). This is...","description":"Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the TCP component (issue 2 of 4). This is an IPNET security vulnerability: TCP Urgent Pointer state confusion caused by a malformed TCP AO option.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.2325,"percentile":0.97787,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-120","CWE-787"],"published":"2019-08-09T20:18:30Z","modified":"2026-06-17T02:14:19Z","products":[{"vendor":"belden","product":"garrettcom_magnum_dx940e_firmware"},{"vendor":"belden","product":"hirschmann_hios"},{"vendor":"netapp","product":"e-series_santricity_os_controller"},{"vendor":"oracle","product":"communications_eagle"},{"vendor":"siemens","product":"power_meter_9410_firmware"},{"vendor":"siemens","product":"power_meter_9810_firmware"},{"vendor":"siemens","product":"ruggedcom_win7000_firmware"},{"vendor":"siemens","product":"ruggedcom_win7018_firmware"},{"vendor":"siemens","product":"ruggedcom_win7025_firmware"},{"vendor":"siemens","product":"ruggedcom_win7200_firmware"},{"vendor":"siemens","product":"siprotec_5_firmware"},{"vendor":"sonicwall","product":"sonicos"},{"vendor":"windriver","product":"vxworks"}],"references":[{"url":"https://www.oracle.com/security-alerts/cpuoct2020.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://support2.windriver.com/index.php?page=security-notices","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Vendor Advisory"]},{"url":"https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0009","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-632562.pdf","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20190802-0001/","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://www.windriver.com/security/announcements/tcp-ip-network-stack-ipnet-urgent11/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://support2.windriver.com/index.php?page=cve\u0026on=view\u0026id=CVE-2019-12260","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.f5.com/csp/article/K41190253","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-189842.pdf","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-352504.pdf","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://www.oracle.com//security-alerts/cpujul2021.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-12260"},{"url":"https://github.com/advisories/GHSA-6422-rqxx-vrcj"}],"sources":{"cve":[{"id":"CVE-2019-12260","description":"Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the TCP component (issue 2 of 4). This is an IPNET security vulnerability: TCP Urgent Pointer state confusion caused by a malformed TCP AO option.","status":"published","published":"2019-08-09T20:18:30Z","modified":"2024-08-04T23:17:39.851Z","updated_at":"2026-11-02T14:20:24.025419Z"}],"euvd":[{"id":"EUVD-2019-3902","description":"Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the TCP component (issue 2 of 4). This is an IPNET security vulnerability: TCP Urgent Pointer state confusion caused by a malformed TCP AO option.","status":"published","published":"2019-08-09T20:18:30Z","modified":"2024-08-04T23:17:39Z","updated_at":"2026-11-03T02:40:46.416719Z"}],"ghsa":[{"id":"GHSA-6422-rqxx-vrcj","title":"Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the TCP component (issue 2 of 4). This is...","description":"Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the TCP component (issue 2 of 4). This is an IPNET security vulnerability: TCP Urgent Pointer state confusion caused by a malformed TCP AO option.","status":"published","published":"2022-05-24T16:53:01Z","modified":"2023-01-27T05:02:51Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-119","CWE-120","CWE-787"],"updated_at":"2026-11-02T14:42:06.943612Z"}],"nvd":[{"id":"CVE-2019-12260","description":"Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the TCP component (issue 2 of 4). This is an IPNET security vulnerability: TCP Urgent Pointer state confusion caused by a malformed TCP AO option.","status":"published","published":"2019-08-09T21:15:11Z","modified":"2026-06-17T02:14:19.56Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:05:22.878504Z"}]}}