Memory corruption in GOT2000 series; GOT SIMPLE series; GT SoftGOT2000; Tension Controller
Priority LOW 36CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
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.
Why it matters now
EPSS 0.01476 74th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | GOT2000 series; GOT SIMPLE series; GT SoftGOT2000; Tension Controller | 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, GT21 model communication driver versions 01.21.000 through 01.39.000; GS21 model communication driver versions 01.21.000 through 01.39.000; GT SoftGOT2000 versions 1.170C through 1.250L; LE7-40GU-L Screen package data for MODBUS/TCP V1.00 | — | No fix listed | CNA |
- GOT2000 series; GOT SIMPLE series; GT SoftGOT2000; Tension Controller Vendor— Affected 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, GT21 model communication driver versions 01.21.000 through 01.39.000; GS21 model communication driver versions 01.21.000 through 01.39.000; GT SoftGOT2000 versions 1.170C through 1.250L; LE7-40GU-L Screen package data for MODBUS/TCP V1.00 Fixed in — No fix listed CNA
CPE configurations NVD · 12
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:mitsubishi:gt27_firmware:*:*:*:*:*:*:*:* | 01.19.000 – 01.38.000 | Vulnerable | Mitsubishi |
| cpe:2.3:h:mitsubishi:gt27:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Mitsubishi |
| cpe:2.3:o:mitsubishi:gt25_firmware:*:*:*:*:*:*:*:* | 01.19.000 – 01.38.000 | Vulnerable | Mitsubishi |
| cpe:2.3:h:mitsubishi:gt25:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Mitsubishi |
| cpe:2.3:o:mitsubishi:gt23_firmware:*:*:*:*:*:*:*:* | 01.19.000 – 01.38.000 | Vulnerable | Mitsubishi |
| cpe:2.3:h:mitsubishi:gt23:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Mitsubishi |
| cpe:2.3:o:mitsubishi:gt21_firmware:*:*:*:*:*:*:*:* | 01.21.000 – 01.39.000 | Vulnerable | Mitsubishi |
| cpe:2.3:h:mitsubishi:gt21:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Mitsubishi |
| cpe:2.3:o:mitsubishi:gs21_firmware:*:*:*:*:*:*:*:* | 01.21.000 – 01.39.000 | Vulnerable | Mitsubishi |
| cpe:2.3:h:mitsubishi:gs21:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Mitsubishi |
- cpe:2.3:o:mitsubishi:gt27_firmware:*:*:*:*:*:*:*:* Versions 01.19.000 – 01.38.000 Vulnerable ·Mitsubishi
- cpe:2.3:h:mitsubishi:gt27:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Mitsubishi
- cpe:2.3:o:mitsubishi:gt25_firmware:*:*:*:*:*:*:*:* Versions 01.19.000 – 01.38.000 Vulnerable ·Mitsubishi
- cpe:2.3:h:mitsubishi:gt25:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Mitsubishi
- cpe:2.3:o:mitsubishi:gt23_firmware:*:*:*:*:*:*:*:* Versions 01.19.000 – 01.38.000 Vulnerable ·Mitsubishi
- cpe:2.3:h:mitsubishi:gt23:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Mitsubishi
- cpe:2.3:o:mitsubishi:gt21_firmware:*:*:*:*:*:*:*:* Versions 01.21.000 – 01.39.000 Vulnerable ·Mitsubishi
- cpe:2.3:h:mitsubishi:gt21:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Mitsubishi
- cpe:2.3:o:mitsubishi:gs21_firmware:*:*:*:*:*:*:*:* Versions 01.21.000 – 01.39.000 Vulnerable ·Mitsubishi
- cpe:2.3:h:mitsubishi:gs21:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Mitsubishi
Show 2 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:mitsubishi:gt_softgot2000_firmware:*:*:*:*:*:*:*:* | 1.170c – 1.250l | Vulnerable | Mitsubishi |
| cpe:2.3:h:mitsubishi:gt_softgot2000:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Mitsubishi |
- cpe:2.3:o:mitsubishi:gt_softgot2000_firmware:*:*:*:*:*:*:*:* Versions 1.170c – 1.250l Vulnerable ·Mitsubishi
- cpe:2.3:h:mitsubishi:gt_softgot2000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Mitsubishi
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-20589
- 2026-10-03 Alias added: GHSA-q2w2-jjv8-fvww
References
Sources
- CVE-2021-20589 · CVE Program
- CVE-2021-20589 · NVD
- FIRST EPSS
- GHSA-q2w2-jjv8-fvww · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences