cci_dir in IBM U2 UniVerse 10.0.0.9 and earlier creates hard links and unlinks files as root, which allows local users to gain privileges by deleting and overwriting arbitrary files.
Exploitability
AV:LAC:LPR:LUI:NScope
S:UImpact
C:HI:HA:H7.8/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H