A subscription-manager bugfix update has been released for CentOS 7.

CentOS-announce: CEBA-2020:2101 CentOS 7 subscription-manager BugFix Update

CentOS Errata and Bugfix Advisory 2020:2101

Upstream details at :   https://access.redhat.com/errata/RHBA-2020:2101

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

x86_64:
af716ec243d4e4b5b485e49c939db05866ec42a73335d40b40039f65a88dfd50 python-syspurpose-1.24.26-3.el7.centos.x86_64.rpm
2215309ecc28d08e7abb9bbf079f0e054c9f9eb0d07c800261d2039fc0f3c72b rhsm-gtk-1.24.26-3.el7.centos.x86_64.rpm
2714d8ee0fdfe75ef6523ee19d45c7e0591ce8ade5cd66ee47271fe522a65e6f subscription-manager-1.24.26-3.el7.centos.x86_64.rpm
0de835f11fe46d73bbd0c2fde90b9359e75f3edf5d11ca3a7349bef5569ef294 subscription-manager-cockpit-1.24.26-3.el7.centos.noarch.rpm
a687fdbadd91fbade67f50c36958d6364e6d4b0e9564a07b5991790f1a9a4b2c subscription-manager-gui-1.24.26-3.el7.centos.x86_64.rpm
2a3d2b581a1583ae41e75f7a46c8ee322fbd9a919788655b1cfc8efe26843dcd subscription-manager-initial-setup-addon-1.24.26-3.el7.centos.x86_64.rpm
da58eafd8dd24898845a19c3ab1720c81f050ad132d74198f9bd4fce754f9596 subscription-manager-plugin-container-1.24.26-3.el7.centos.x86_64.rpm
ca97e31f0f573b01710f8432859388e98034ea412a9ae223790ad3d5156d0fd3 subscription-manager-plugin-ostree-1.24.26-3.el7.centos.x86_64.rpm
1a2e879018d7b492944e85d32e5dd9c07c5ba7f65322a4882dbf290a54d1cfe7 subscription-manager-rhsm-1.24.26-3.el7.centos.x86_64.rpm
35173397e15f9e274d6159ede502c0c610573f743c2ef6bcc518d83697546ff7 subscription-manager-rhsm-certificates-1.24.26-3.el7.centos.x86_64.rpm

Source:
1b23187eff48811cfb947259d6d20016e14f2e2f1b75065416cf7abc0170952f subscription-manager-1.24.26-3.el7.centos.src.rpm