CVE-2021-20589

https://notcve.org/view.php?id=CVE-2021-20589

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. Una Vulnerabilidad de Acceso del Búfer de valor de longitud incorrecto en GOT2000 series GT27 model communication driver versiones 01.19.000 hasta 01.38.000, GT25 model communication driver versiones 01.19.000 hasta 01.38.000, GT23 model communication driver versiones 01.19.000 hasta 01.38.000 y GT21 model communication driver versiones 01.21.000 hasta 01.39.000, GOT SIMPLE series GS21 model communication driver versiones 01.21.000 hasta 01.39.000, GT SoftGOT2000 versiones 1.170C hasta 1.250L y el paquete de datos de Pantalla Tension Controller LE7-40GU-L para MODBUS/TCP versión V1.00, permite a un atacante remoto no autenticado detener la función de comunicación de los productos por medio de paquetes especialmente diseñados • https://jvn.jp/vu/JVNVU99895108/index.html https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-002_en.pdf • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •