tmpfiles.d/systemd.conf in systemd before 214 uses weak permissions for journal files under (1) /run/log/journal/%m and (2) /var/log/journal/%m, which allows local users to obtain sensitive information by reading these files.
Exploitability
AV:LAC:LPR:LUI:NScope
S:UImpact
C:LI:NA:N3.3/CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N