The ctstrtcasd program in RSCT 2.3.0.0 and earlier on IBM AIX 5.2 and 5.3 does not properly drop privileges before executing the -f option, which allows local users to modify or create arbitrary files.
AV:L/AC:L/Au:N/C:N/I:P/A:N
This vulnerability has a 0.34% probability of being exploited in the next 30 days, ranking higher than 25% of all scored CVEs.