CVE-2021-20600
First published: Fri Oct 08 2021(Updated: )
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.
Credit: Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mitsubishielectric R12ccpu-v Firmware | <=16 | |
| Mitsubishielectric R12ccpu-v | ||
| Mitsubishi Electric R12CCPU-V: Firmware Version 16 and prior |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID of this vulnerability?
The vulnerability ID is CVE-2021-20600.
What is the severity level of CVE-2021-20600?
The severity level of CVE-2021-20600 is high.
What is the affected software for CVE-2021-20600?
The affected software for CVE-2021-20600 is Mitsubishi Electric MELSEC iQ-R series C Controller Module R12CCPU-V Firmware Versions "16" and prior.
How does CVE-2021-20600 impact the system?
CVE-2021-20600 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 is starting.
Are there any fixes or patches available for CVE-2021-20600?
Please refer to the official references provided for information on available fixes or patches for CVE-2021-20600.
- collector/nvd-index
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/author
- agent/last-modified-date
- agent/references
- agent/weakness
- agent/softwarecombine
- agent/tags
- agent/description
- agent/first-publish-date
- agent/event
- collector/ics-cert-advisory
- source/ICS
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/mitsubishielectric
- canonical/mitsubishielectric r12ccpu-v firmware
- version/mitsubishielectric r12ccpu-v firmware/16
- canonical/mitsubishielectric r12ccpu-v
- vendor/mitsubishi electric
- canonical/mitsubishi electric r12ccpu-v: firmware version 16 and prior