CVE-2021-26402
Estado: ModificadaAlta (7.1)—
Insufficient bounds checking in ASP (AMD Secure Processor) firmware while handling BIOS mailbox commands, may allow an attacker to write partially-controlled data out-of-bounds to SMM or SEV-ES regions which may lead to a potential loss of integrity and availability.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
- Puntuación base: 7.1
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.18%
- Percentil entre todas las CVEs puntuadas: 7
- 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 (50)
AMD — Epyc 7002 FirmwareAMD — Epyc 7003 FirmwareAMD — Epyc 7232p FirmwareAMD — Epyc 7252 FirmwareAMD — Epyc 7262 FirmwareAMD — Epyc 7272 FirmwareAMD — Epyc 7282 FirmwareAMD — Epyc 72f3 FirmwareAMD — Epyc 7302 FirmwareAMD — Epyc 7302p FirmwareAMD — Epyc 7313 FirmwareAMD — Epyc 7313p FirmwareAMD — Epyc 7343 FirmwareAMD — Epyc 7352 FirmwareAMD — Epyc 7373x FirmwareAMD — Epyc 73f3 FirmwareAMD — Epyc 7402 FirmwareAMD — Epyc 7402p FirmwareAMD — Epyc 7413 FirmwareAMD — Epyc 7443 FirmwareAMD — Epyc 7443p FirmwareAMD — Epyc 7452 FirmwareAMD — Epyc 7453 FirmwareAMD — Epyc 74f3 FirmwareAMD — Epyc 7502 FirmwareAMD — Epyc 7502p FirmwareAMD — Epyc 7513 FirmwareAMD — Epyc 7532 FirmwareAMD — Epyc 7542 FirmwareAMD — Epyc 7543 FirmwareAMD — Epyc 7543p FirmwareAMD — Epyc 7552 FirmwareAMD — Epyc 7573x FirmwareAMD — Epyc 75f3 FirmwareAMD — Epyc 7642 FirmwareAMD — Epyc 7643 FirmwareAMD — Epyc 7662 FirmwareAMD — Epyc 7663 FirmwareAMD — Epyc 7702 FirmwareAMD — Epyc 7702p FirmwareAMD — Epyc 7713 FirmwareAMD — Epyc 7713p FirmwareAMD — Epyc 7742 FirmwareAMD — Epyc 7743 FirmwareAMD — Epyc 7763 FirmwareAMD — Epyc 7773x FirmwareAMD — Epyc 7f32 FirmwareAMD — Epyc 7f52 FirmwareAMD — Epyc 7f72 FirmwareAMD — Epyc 7h12 Firmware
CWE
- CWE-787
- CWE-787
Referencias
JSON original (NVD)
Mostrar
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