CVE-2021-20589 : faille élevée mitsubishi gt27 firmware (CVSS 7.5)

Buffer access with incorrect length value vulnerability in GOT2000 series GT27 model communication driver versions 01.19.000 through 01.38.000, GT25 model communication driver versions 01.19.000 through 01.38.000, GT23 model communication driver versions 01.19.000 through 01.38.000 and GT21 model communication driver versions 01.21.000 through 01.39.000, GOT SIMPLE series GS21 model communication driver versions 01.21.000 through 01.39.000, GT SoftGOT2000 versions 1.170C through 1.250L and Tension Controller LE7-40GU-L Screen package data for MODBUS/TCP V1.00 allows a remote unauthenticated attacker to stop the communication function of the products via specially crafted packets.

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

19 mai 2021

Dernière mise à jour

17 juin 2026

• mitsubishi gt27 firmware
• mitsubishi gt25 firmware
• mitsubishi gt23 firmware
• mitsubishi gt21 firmware
• mitsubishi gs21 firmware
• mitsubishi gt softgot2000 firmware

• Fiche CVE-2021-20589 sur le NVD (NIST)
• jvn.jp/vu/JVNVU99895108/index.html
• mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-002_en.pdf