CVE-2023-1285

Severity: medium (CVSS 5.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-04-14 · updated 2026-06-17
Weakness: CWE-364

Description

Signal Handler Race Condition vulnerability in Mitsubishi Electric India GC-ENET-COM whose first 2 digits of 11-digit serial number of unit are "16" allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition in Ethernet communication by sending a large number of specially crafted packets to any UDP port when GC-ENET-COM is configured as a Modbus TCP Server. The communication resumes only when the power of the main unit is turned off and on or when the GC-ENET-COM is hot-swapped from the main unit.

Affected products

Mitsubishi Electric India GC-ENET-COM: all versions

References

https://mitsubishielectric.in/fa/cnc-pdf/DoS_in_Ethernet_Communication_Extension_Unit_GC_ENET_COM_of_GOC35_Series.pdf
https://www.cisa.gov/news-events/ics-advisories/icsa-23-103-15
https://mitsubishielectric.in/fa/cnc-pdf/DoS_in_Ethernet_Communication_Extension_Unit_GC_ENET_COM_of_GOC35_Series.pdf
https://www.cisa.gov/news-events/ics-advisories/icsa-23-103-15

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