Open-iSCSI rtslib-fb through 2.1.72 has weak permissions for /etc/target/saveconfig.json because shutil.copyfile (instead of shutil.copy) is used, and thus permissions are not preserved.
{ "binaries": [ { "binary_name": "python3-rtslib-fb", "binary_version": "2.1.71-0ubuntu1.1" } ] }
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14019.json"