CVE-2019-12262

Name: CVE-2019-12262
Creator: NVD / NIST
Published: 2019-08-14T20:15:11.573+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 4.12%

Last modified Jun 17, 2026

CVE-2019-12262 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Wind River VxWorks 6.6, 6.7, 6.8, 6.9 and 7 has Incorrect Access Control in the RARP client component. IPNET security vulnerability: Handling of unsolicited Reverse ARP replies (Logical Flaw).. EPSS estimates a 4.12% chance of exploitation in the next 30 days.

Description

Wind River VxWorks 6.6, 6.7, 6.8, 6.9 and 7 has Incorrect Access Control in the RARP client component. IPNET security vulnerability: Handling of unsolicited Reverse ARP replies (Logical Flaw).

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

4.12%

89.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Windriver	Vxworks	6.6
Windriver	Vxworks	6.7
Windriver	Vxworks	6.8
Windriver	Vxworks	6.9
Windriver	Vxworks	7.0
Belden	Hirschmann Hios	<= 07.0.07
Belden	Hirschmann Hios	<= 07.5.01
Belden	Hirschmann Hios	<= 07.2.04
Belden	Hirschmann Hios	<= 05.3.06
Belden	Garrettcom Magnum Dx940e Firmware	<= 1.0.1_y7
Siemens	Ruggedcom Win7000 Firmware	< bs5.2.461.17
Siemens	Ruggedcom Win7018 Firmware	< bs5.2.461.17
Siemens	Ruggedcom Win7025 Firmware	< bs5.2.461.17
Siemens	Ruggedcom Win7200 Firmware	< bs5.2.461.17

References

https://cert-portal.siemens.com/productcert/pdf/ssa-189842.pdfThird Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-352504.pdfThird Party Advisory
https://support.f5.com/csp/article/K41190253Third Party Advisory
https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2019-12262Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-189842.pdfThird Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-352504.pdfThird Party Advisory
https://support.f5.com/csp/article/K41190253Third Party Advisory
https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2019-12262Vendor Advisory

Timeline

Published: Aug 14, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-12262?

Wind River VxWorks 6.6, 6.7, 6.8, 6.9 and 7 has Incorrect Access Control in the RARP client component. IPNET security vulnerability: Handling of unsolicited Reverse ARP replies (Logical Flaw).

How severe is CVE-2019-12262?

CVE-2019-12262 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 4.12% probability of exploitation in the next 30 days.

How do I fix CVE-2019-12262?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-12262?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST