An ipmitool security update has been released for CentOS 7.

CentOS-announce: CESA-2020:0984 Important CentOS 7 ipmitool Security Update

CentOS Errata and Security Advisory 2020:0984 Important

Upstream details at :   https://access.redhat.com/errata/RHSA-2020:0984

The following updated files have been uploaded and are currently
syncing to the mirrors: ( sha256sum Filename )

x86_64:
03ea01ef7ae66c91a7ac4f2981c1717472c2840682da3a20a846f102bca9b691 bmc-snmp-proxy-1.8.18-9.el7_7.noarch.rpm
f2d3939a7f4701553e611a58719f92a9b757ef2b3d8a021ff4ded9bb99a874f1 exchange-bmc-os-info-1.8.18-9.el7_7.noarch.rpm
66866a81db34a65557cf62e7306f7a0cc793e416252c5a79f263a344d5e1d039 ipmitool-1.8.18-9.el7_7.x86_64.rpm

Source:
a2217e96faa16f110a978bce11f7d346508624cff4dcdc85c7699d3df0d9ee77 ipmitool-1.8.18-9.el7_7.src.rpm