CVE-2021-40142
Estado: ModificadaAlta (7.5)—
In OPC Foundation Local Discovery Server (LDS) before 1.04.402.463, remote attackers can cause a denial of service (DoS) by sending carefully crafted messages that lead to Access of a Memory Location After the End of a Buffer.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 7.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 2.56%
- Percentil entre todas las CVEs puntuadas: 85
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (7)
CWE
- CWE-119
Referencias
- https://cert-portal.siemens.com/productcert/pdf/ssa-321292.pdf
- https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2021-40142.pdf
- https://opcfoundation.org/security-bulletins/
- https://cert-portal.siemens.com/productcert/pdf/ssa-321292.pdf
- https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2021-40142.pdf
- https://opcfoundation.org/security-bulletins/
JSON original (NVD)
Mostrar
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