Vulnerability in Grupo Msa (CVE-2015-6839)
Summary
Vulnerability in Grupo Msa (CVE-2015-6839). Data can be tampered with by attackers.
Original description
The description as published by the source.
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.
Source: NIST National Vulnerability Database NVD
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2015-6839 has been found in Grupo Msa.
Data can be tampered with by attackers. CVSS score: 4.6/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "Grupo Msa CVE-2015-6839" on the vendor's site.
CVE-2015-6839 (Grupo Msa) — CWE-20 / CVSS v3 4.6
Attack vector: physical / unauthenticated / no user interaction
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (CWE-20) exists in Grupo Msa.
Check the vendor advisory for the affected versions of Grupo Msa.
Severity: Medium (CVSS 4.6/10). Data can be tampered with by attackers.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで Grupo Msa を使っているサービスとバージョンを洗い出す。
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2Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
References
- advisory docs.google.com
- advisory docs.google.com
- advisory eleccionesciudad.gob.ar
- advisory youtube.com