CVE-2021-20589
Last modified
CVE-2021-20589 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 1.48% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mitsubishi | Gt27 Firmware | >= 01.19.000, <= 01.38.000 |
| Mitsubishi | Gt25 Firmware | >= 01.19.000, <= 01.38.000 |
| Mitsubishi | Gt23 Firmware | >= 01.19.000, <= 01.38.000 |
| Mitsubishi | Gt21 Firmware | >= 01.21.000, <= 01.39.000 |
| Mitsubishi | Gs21 Firmware | >= 01.21.000, <= 01.39.000 |
| Mitsubishi | Gt Softgot2000 Firmware | >= 1.170c, <= 1.250l |
References
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Scan your code nowSource: NVD / NIST