An autofs bugfix update has been released for CentOS 7.

CentOS-announce: CEBA-2020:5438 CentOS 7 autofs BugFix Update

CentOS Errata and Bugfix Advisory 2020:5438

Upstream details at :   https://access.redhat.com/errata/RHBA-2020:5438

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

x86_64:
3ec6e9340959cede8f65ef85eb65d48800aad8e51db71b9f3bd47bed04cd9c3a autofs-5.0.7-116.el7_9.x86_64.rpm

Source:
f01b925bf1b4c246518a5073eadf58e62e01f7ce21d7ab8197fc976a1b93f32d autofs-5.0.7-116.el7_9.src.rpm