CVE-2020-15783
Estado: ModificadaAlta (7.5)—
A vulnerability has been identified in SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions), SIMATIC TDC CPU555 (All versions), SINUMERIK 840D sl (All versions). Sending multiple specially crafted packets to the affected devices could cause a Denial-of-Service on port 102. A cold restart is required to recover the service.
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: 1.67%
- Percentil entre todas las CVEs puntuadas: 76
- 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 (12)
Siemens — Simatic S7-300 CPU 312 FirmwareSiemens — Simatic S7-300 CPU 314 FirmwareSiemens — Simatic S7-300 CPU 315-2 DP FirmwareSiemens — Simatic S7-300 CPU 315-2 PN FirmwareSiemens — Simatic S7-300 CPU 315f-2 DP FirmwareSiemens — Simatic S7-300 CPU 315f-2 PN FirmwareSiemens — Simatic S7-300 CPU 317-2 DP FirmwareSiemens — Simatic S7-300 CPU 317-2 PN FirmwareSiemens — Simatic S7-300 CPU 317f-2 DP FirmwareSiemens — Simatic S7-300 CPU 317f-2 PN FirmwareSiemens — Simatic TDC Cpu555 FirmwareSiemens — Sinumerik 840d SL Firmware
CWE
- CWE-400
- CWE-400
Referencias
JSON original (NVD)
Mostrar
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