CVE-2021-20601: Mitsubishielectric GOT2000 GT2103-Pmbd Firmware

High severity, CVSS 7.5. EPSS: 2.4% chance of exploitation in the next 30 days.

Improper input validation vulnerability in GOT2000 series GT27 model all versions, GOT2000 series GT25 model all versions, GOT2000 series GT23 model all versions, GOT2000 series GT21 model all versions, GOT SIMPLE series GS21 model all versions, and GT SoftGOT2000 all versions allows an remote unauthenticated attacker to write a value that exceeds the configured input range limit by sending a malicious packet to rewrite the device value. As a result, the system operation may be affected, such as malfunction.

Affected products

• Mitsubishielectric GOT2000 GT2103-Pmbd Firmware: affected versions not specified
• Mitsubishielectric GOT2000 GT2103-PMBDS2 Firmware: affected versions not specified
• Mitsubishielectric GOT2000 GT2103-Pmbds Firmware: affected versions not specified
• Mitsubishielectric GOT2000 GT2103-Pmbls Firmware: affected versions not specified
• Mitsubishielectric GOT2000 GT2104-Rtbd Firmware: affected versions not specified
• Mitsubishielectric GOT2000 GT2107-Wtbd Firmware: affected versions not specified
• Mitsubishielectric GOT2000 GT2308-Vtba Firmware: affected versions not specified
• Mitsubishielectric GOT2000 GT2308-Vtbd Firmware: affected versions not specified
• Mitsubishielectric GOT2000 GT2310-Vtba Firmware: affected versions not specified
• Mitsubishielectric GOT2000 GT2310-Vtbd Firmware: affected versions not specified
• Mitsubishielectric GOT2000 GT2505-Vtbd Firmware: affected versions not specified
• Mitsubishielectric GOT2000 GT2505HS-Vtbd Firmware: affected versions not specified
• Mitsubishielectric GOT2000 GT2506HS-Vtbd Firmware: affected versions not specified
• Mitsubishielectric GOT2000 GT2507-Wtbd Firmware: affected versions not specified
• Mitsubishielectric GOT2000 GT2507-Wtsd Firmware: affected versions not specified
• Mitsubishielectric GOT2000 GT2507T-Wtsd Firmware: affected versions not specified
• Mitsubishielectric GOT2000 GT2508-Vtba Firmware: affected versions not specified
• Mitsubishielectric GOT2000 GT2508-Vtbd Firmware: affected versions not specified
• Mitsubishielectric GOT2000 GT2508-Vtwa Firmware: affected versions not specified
• Mitsubishielectric GOT2000 GT2508-Vtwd Firmware: affected versions not specified
• Mitsubishielectric GOT2000 GT2510-Vtba Firmware: affected versions not specified
• Mitsubishielectric GOT2000 GT2510-Vtbd Firmware: affected versions not specified
• Mitsubishielectric GOT2000 GT2510-Vtwa Firmware: affected versions not specified
• Mitsubishielectric GOT2000 GT2510-Vtwd Firmware: affected versions not specified
• Mitsubishielectric GOT2000 GT2510-Wxtbd Firmware: affected versions not specified
• and 25 more

Published 2021-11-23. Last modified 2026-06-17.