CVE-2021-20597
Estado: ModificadaCrítica (9.1)—
Insufficiently Protected Credentials vulnerability in Mitsubishi Electric MELSEC iQ-R series Safety CPU modules R08/16/32/120SFCPU firmware versions "26" and prior and Mitsubishi Electric MELSEC iQ-R series SIL2 Process CPU modules R08/16/32/120PSFCPU firmware versions "11" and prior allows a remote unauthenticated attacker to login to the target unauthorizedly by sniffing network traffic and obtaining credentials when registering user information in the target or changing a password.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- Puntuación base: 9.1
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 2.22%
- Percentil entre todas las CVEs puntuadas: 82
- 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 (8)
Mitsubishielectric — R08psfcpu FirmwareMitsubishielectric — R08sfcpu FirmwareMitsubishielectric — R120psfcpu FirmwareMitsubishielectric — R120sfcpu FirmwareMitsubishielectric — R16psfcpu FirmwareMitsubishielectric — R16sfcpu FirmwareMitsubishielectric — R32psfcpu FirmwareMitsubishielectric — R32sfcpu Firmware
CWE
- CWE-522
Referencias
- https://jvn.jp/vu/JVNVU98578731/index.html
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-250-01
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-009_en.pdf
- https://jvn.jp/vu/JVNVU98578731/index.html
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-250-01
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-009_en.pdf
JSON original (NVD)
Mostrar
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