How severe is CVE-2019-12264?

CVE-2019-12264 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability high.

Is CVE-2019-12264 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-12264?

CVE-2019-12264 primarily affects Windriver Vxworks. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-12264?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-12264 published?

CVE-2019-12264 was published on 2019-08-05 and last updated on 2026-06-17.

CVE-2019-12264

CVE-2019-12264 is a high-severity vulnerability in Windriver Vxworks with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-88.

Key facts

Severity: High (CVSS 3.x base score 7.1)
CVSS v2: 4.8
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-88
Affected product: Windriver Vxworks
Published: 2019-08-05
Last modified: 2026-06-17

Description

Wind River VxWorks 6.6, 6.7, 6.8, 6.9.3, 6.9.4, and Vx7 has Incorrect Access Control in IPv4 assignment by the ipdhcpc DHCP client component.

Frequently asked questions

What is CVE-2019-12264?: Wind River VxWorks 6.6, 6.7, 6.8, 6.9.3, 6.9.4, and Vx7 has Incorrect Access Control in IPv4 assignment by the ipdhcpc DHCP client component.
How severe is CVE-2019-12264?: CVE-2019-12264 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability high.
Is CVE-2019-12264 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-12264?: CVE-2019-12264 primarily affects Windriver Vxworks. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-12264?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-12264 published?: CVE-2019-12264 was published on 2019-08-05 and last updated on 2026-06-17.

References

Affected products (12)

cpe:2.3:o:windriver:vxworks:6.6:*:*:*:*:*:*:*
cpe:2.3:o:windriver:vxworks:6.7:*:*:*:*:*:*:*
cpe:2.3:o:windriver:vxworks:6.8:*:*:*:*:*:*:*
cpe:2.3:o:windriver:vxworks:6.9.3:*:*:*:*:*:*:*
cpe:2.3:o:windriver:vxworks:6.9.4:*:*:*:*:*:*:*
cpe:2.3:o:windriver:vxworks:7.0:*:*:*:*:*:*:*
cpe:2.3:o:belden:hirschmann_hios:*:*:*:*:*:*:*:*
cpe:2.3:o:belden:garrettcom_magnum_dx940e_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:ruggedcom_win7000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:ruggedcom_win7018_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:ruggedcom_win7025_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:ruggedcom_win7200_firmware:*:*:*:*:*:*:*:*

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