CVE-2015-6839

The parse function in MSA vot.Ar 3.1 does not check whether a candidate receives more than one...

4.6 Medium

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.

Attack profile

How easy it is to exploit

Attack vector: Physical
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: High
Availability: None

Exploit likelihood

0.40%Down 0.6 points since Feb 4, 2022

What each source reports

NVD Score used 4.6

Record: CVE-2015-6839
CVSS 3.0: 4.6 MediumCVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 2.0: 2.1 LowAV:L/AC:L/Au:N/C:N/I:P/A:N
Weakness: CWE-20
Updated: 2026-11-02

CVE List No score

Record: CVE-2015-6839
Updated: 2026-11-02

EUVDEUVD-2015-6775 No score

Record: EUVD-2015-6775
Updated: 2026-11-03

GitHub AdvisoriesGHSA-fhgc-2x58-cm2p 4.6

The parse function in MSA vot.Ar 3.1 does not check whether a candidate receives more than one...

Record: GHSA-fhgc-2x58-cm2p
CVSS 3.0: 4.6 MediumCVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness: CWE-20
Updated: 2026-11-02

Affected products

grupo msa vot.ar

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2015-6839 is a medium vulnerability (CVSS 4.6) in Grupo Msa Vot.ar, published October 23, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.40%, the 33rd percentile. No source names a fixed version.