The personnummer implementation before 3.0.3 for Dart mishandles numbers in which the last four digits match the ^000[0-9]$ regular expression.
Exploitability
AV:NAC:LPR:NUI:NScope
S:UImpact
C:NI:LA:N5.3/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N