CVE-2021-34584
Estado: AnalizadaCrítica (9.1)—
Crafted web server requests can be utilised to read partial stack or heap memory or may trigger a denial-of- service condition due to a crash in the CODESYS V2 web server prior to V1.1.9.22.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- Puntuación base: 9.1
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.11%
- Percentil entre todas las CVEs puntuadas: 65
- 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 (28)
Codesys — CodesysWago — 750-8202 FirmwareWago — 750-8203 FirmwareWago — 750-8204 FirmwareWago — 750-8206 FirmwareWago — 750-8207 FirmwareWago — 750-8208 FirmwareWago — 750-8210 FirmwareWago — 750-8211 FirmwareWago — 750-8212 FirmwareWago — 750-8213 FirmwareWago — 750-8214 FirmwareWago — 750-8216 FirmwareWago — 750-8217 FirmwareWago — 750-823 FirmwareWago — 750-829 FirmwareWago — 750-831 FirmwareWago — 750-832 FirmwareWago — 750-852 FirmwareWago — 750-862 FirmwareWago — 750-880 FirmwareWago — 750-881 FirmwareWago — 750-882 FirmwareWago — 750-885 FirmwareWago — 750-889 FirmwareWago — 750-890 FirmwareWago — 750-891 FirmwareWago — 750-893 Firmware
CWE
- CWE-126
Referencias
- https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16876&token=a3f1d937f95e7034879f4f2ea8e5a99b168256a7&download=
- https://www.tenable.com/security/research/tra-2021-47
- https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16876&token=a3f1d937f95e7034879f4f2ea8e5a99b168256a7&download=
- https://www.tenable.com/security/research/tra-2021-47
JSON original (NVD)
Mostrar
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