Vulnerability Details : CVE-2015-6839
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.
Vulnerability category: Input validation
Products affected by CVE-2015-6839
- cpe:2.3:a:grupo_msa:vot.ar:3.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2015-6839
0.11%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 43 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2015-6839
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
2.1
|
LOW | AV:L/AC:L/Au:N/C:N/I:P/A:N |
3.9
|
2.9
|
NIST | |
4.6
|
MEDIUM | CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
0.9
|
3.6
|
NIST |
CWE ids for CVE-2015-6839
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-6839
-
https://www.youtube.com/watch?v=CTOCspLn6Zk
Multivoto: sumando mĂșltiples votos con una boleta en el sistema vot.ar - YouTubeThird Party Advisory
-
https://docs.google.com/document/d/1aH6kvoLR8O1qWOpEz89FAB2xFcBNB-QqHgZpXxg0vGE/preview?sle=true&pli=1
Ataque Multi-Voto a Sistema Vot.Ar - Google DocumentenIssue Tracking;Third Party Advisory
-
https://docs.google.com/document/d/13t1jqu-Upj4SyjYBMj3OMshdy6rGBrnb1R3P-goz-cs/edit?pli=1
Multi-vote vulnerability in MSA Vot (English) - Google DocumentenIssue Tracking;Third Party Advisory
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https://www.eleccionesciudad.gob.ar/uploads/resoluciones/Informe_05-BALOTAJE-2015-07-17.pdf
Issue Tracking;Third Party Advisory
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