VIM version 8.0.1187 (and other versions most likely) ignores umask when creating a swap file ("[ORIGINAL_FILENAME].swp") resulting in files that may be world readable or otherwise accessible in ways not intended by the user running the vi binary.
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-1000382.json"