The vault subsystem in Ansible before 1.5.5 does not set the umask before creation or modification of a vault file, which allows local users to obtain sensitive key information by reading a file.
https://www.securityfocus.com/bid/68233
https://github.com/ansible/ansible/blob/release1.5.5/CHANGELOG.md
Published: 2020-02-20
Updated: 2020-02-25
Base Score: 2.1
Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N
Severity: Low
Base Score: 5.5
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Severity: Medium
Base Score: 6.8
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Severity: Medium
EPSS: 0.00119