The parse function in MSA vot.Ar 3.1 does not check whether a candidate receives more than one vote, which allows physically proximate attackers to cast multiple votes for a candidate via a crafted RFID ballot tag.
https://www.youtube.com/watch?v=CTOCspLn6Zk
https://www.eleccionesciudad.gob.ar/uploads/resoluciones/Informe_05-BALOTAJE-2015-07-17.pdf
https://docs.google.com/document/d/1aH6kvoLR8O1qWOpEz89FAB2xFcBNB-QqHgZpXxg0vGE/preview?sle=true&pli=1
https://docs.google.com/document/d/13t1jqu-Upj4SyjYBMj3OMshdy6rGBrnb1R3P-goz-cs/edit?pli=1
Source: Mitre, NVD
Published: 2017-10-23
Updated: 2026-05-13
Base Score: 2.1
Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:P/A:N
Severity: Low
Base Score: 4.6
Vector: CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Severity: Medium
EPSS: 0.00073