ChironFS before 1.0 RC7 sets user/group ownership to the mounter account instead of the creator account when files are created, which allows local users to gain privileges.
AV:L/AC:L/Au:N/C:C/I:C/A:C
This vulnerability has a 0.43% probability of being exploited in the next 30 days, ranking higher than 35% of all scored CVEs.