CVE-2021-33625
Estado: ModificadaAlta (7.5)—
An issue was discovered in Kernel 5.x in Insyde InsydeH2O, affecting HddPassword. Software SMI services that use the Communicate() function of the EFI_SMM_COMMUNICATION_PROTOCOL do not check whether the address of the buffer is valid, which allows use of SMRAM, MMIO, or OS kernel addresses.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
- Puntuación base: 7.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.32%
- Percentil entre todas las CVEs puntuadas: 22
- Fecha de la puntuación: 5/10/2026
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 (18)
Insyde — Insydeh2oNetapp — Fas/aff BiosSiemens — Ruggedcom Ape1808 FirmwareSiemens — Simatic Field PG M5 FirmwareSiemens — Simatic Field PG M6 FirmwareSiemens — Simatic Ipc127e FirmwareSiemens — Simatic Ipc227g FirmwareSiemens — Simatic Ipc277g FirmwareSiemens — Simatic Ipc327g FirmwareSiemens — Simatic Ipc377g FirmwareSiemens — Simatic Ipc427e FirmwareSiemens — Simatic Ipc477e FirmwareSiemens — Simatic Ipc477e PRO FirmwareSiemens — Simatic Ipc627e FirmwareSiemens — Simatic Ipc647e FirmwareSiemens — Simatic Ipc677e FirmwareSiemens — Simatic Ipc847e FirmwareSiemens — Simatic Itp1000 Firmware
CWE
- CWE-119
Referencias
- https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf
- https://security.netapp.com/advisory/ntap-20220222-0004/
- https://www.insyde.com/security-pledge
- https://www.insyde.com/security-pledge/SA-2022014
- https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf
- https://security.netapp.com/advisory/ntap-20220222-0004/
- https://www.insyde.com/security-pledge
- https://www.insyde.com/security-pledge/SA-2022014
- https://www.kb.cert.org/vuls/id/796611
- https://cert-portal.siemens.com/productcert/html/ssa-306654.html
JSON original (NVD)
Mostrar
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