CVE-2021-20589

Summary

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.

Affected Software

VendorProductVersion RangeStatus
n/aGOT2000 series; GOT SIMPLE series; GT SoftGOT2000; Tension ControllerGT27 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, GT21 model communication driver versions 01.21.000 through 01.39.000affected
n/aGOT2000 series; GOT SIMPLE series; GT SoftGOT2000; Tension ControllerGS21 model communication driver versions 01.21.000 through 01.39.000affected
n/aGOT2000 series; GOT SIMPLE series; GT SoftGOT2000; Tension ControllerGT SoftGOT2000 versions 1.170C through 1.250Laffected
n/aGOT2000 series; GOT SIMPLE series; GT SoftGOT2000; Tension ControllerLE7-40GU-L Screen package data for MODBUS/TCP V1.00affected

Weaknesses

  • Buffer access with incorrect length value

ADP Enrichment

CVE Program Container

Additional References

References