Fiche vulnérabilité
CVE-2021-20596 : faille élevée mitsubishielectric fx3u-enet-l firmware (CVSS 7.5)
Description
NULL Pointer Dereference in MELSEC-F Series FX3U-ENET firmware version 1.14 and prior, FX3U-ENET-L firmware version 1.14 and prior and FX3U-ENET-P502 firmware version 1.14 and prior allows a remote unauthenticated attacker to cause a DoS condition in communication by sending specially crafted packets. Control by MELSEC-F series PLC is not affected and system reset is required for recovery.
En bref
- Sévérité
- Élevée (CVSS 7.5)
- Vecteur CVSS
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Exploitation active
- Non signalée par la CISA
- Publication
- 22 juil. 2021
- Dernière mise à jour
- 17 juin 2026
Produits concernés
- mitsubishielectric fx3u-enet-l firmware
- mitsubishielectric fx3u-enet-p502 firmware
- mitsubishielectric fx3u-enet firmware