VULNERABILITY INTELLIGENCE

CVE-2021-20600

CVSS score5.9 MEDIUM
EPSS probability2.38%
CISA KEVNot currently listed
Published2021-10-08
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

Uncontrolled resource consumption in Mitsubishi Electric MELSEC iQ-R series C Controller Module R12CCPU-V Firmware Versions "16" and prior allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition by sending a large number of packets in a short time while the module starting up. System reset is required for recovery.

Weakness classification

  • nvd@nist.gov: CWE-400

Primary references