The IGMP component in VxWorks 6.8.3 IPNET CVE patches created in 2019 has a NULL Pointer Dereference.
https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2020-10664
Source: Mitre, NVD
Published: 2020-04-27
Updated: 2026-06-17
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: High
EPSS: 0.0039