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CVE-2015-6839

14
FAUCET Score

CVE-2015-6839 describes a vulnerability in MSA vot.Ar 3.1 where the voting system's parse function fails to prevent a single candidate from receiving multiple votes from a crafted RFID ballot tag. This medium-severity vulnerability (CVSS 4.6) has a physical attack vector, low complexity, and high impact on integrity, as it allows physically proximate attackers to manipulate election results. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.1CPE matchmatch criteria
cpe:2.3:a:grupo_msa:vot.ar:3.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

4.6MEDIUM

CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
0.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.40%
Probability of exploitation in next 30 days
EPSS Percentile
32.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0040 is in the 67th percentile among its peer group of 1,531 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

docs.google.com / document/d/13t1jqu-Upj4SyjYBMj3OMshdy6rGBrnb1R3P-goz-cs/edit
Issue TrackingThird Party Advisory
docs.google.com / document/d/1aH6kvoLR8O1qWOpEz89FAB2xFcBNB-QqHgZpXxg0vGE/preview
Issue TrackingThird Party Advisory
eleccionesciudad.gob.ar / uploads/resoluciones/Informe_05-BALOTAJE-2015-07-17.pdf
Issue TrackingThird Party Advisory
youtube.com / watch
Third Party Advisory