CVE-2021-20586 (GCVE-0-2021-20586)
Vulnerability from cvelistv5 – Published: 2021-01-29 14:54 – Updated: 2024-08-03 17:45
VLAI
EPSS
VEX
Summary
Resource management errors vulnerability in a robot controller of MELFA FR Series(controller "CR800-*V*D" of RV-*FR***-D-* all versions, controller "CR800-*HD" of RH-*FRH***-D-* all versions, controller "CR800-*HRD" of RH-*FRHR***-D-* all versions, controller "CR800-*V*R with R16RTCPU" of RV-*FR***-R-* all versions, controller "CR800-*HR with R16RTCPU" of RH-*FRH***-R-* all versions, controller "CR800-*HRR with R16RTCPU" of RH-*FRHR***-R-* all versions, controller "CR800-*V*Q with Q172DSRCPU" of RV-*FR***-Q-* all versions, controller "CR800-*HQ with Q172DSRCPU" of RH-*FRH***-Q-* all versions, controller "CR800-*HRQ with Q172DSRCPU" of RH-*FRHR***-Q-* all versions) and a robot controller of MELFA CR Series(controller "CR800-CVD" of RV-8CRL-D-* all versions, controller "CR800-CHD" of RH-*CRH**-D-* all versions) as well as a cooperative robot ASSISTA(controller "CR800-05VD" of RV-5AS-D-* all versions) allows a remote unauthenticated attacker to cause a DoS of the execution of the robot program and the Ethernet communication by sending a large amount of packets in burst over a short period of time. As a result of DoS, an error may occur. A reset is required to recover it if the error occurs.
Severity
7.5 (High)
CWE
- Resource management errors
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.mitsubishielectric.com/en/psirt/vulne… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| n/a | Robot Controller MELFA FR Series; Robot Controller CR Series; Cooperative Robot ASSISTA |
Affected:
Controller "CR800-*V*D" of RV-*FR***-D-* all versions, Controller "CR800-*HD" of RH-*FRH***-D-* all versions, Controller "CR800-*HRD" of RH-*FRHR***-D-* all versions, Controller "CR800-*V*R with R16RTCPU" of RV-*FR***-R-* all versions, Controller "CR800-*HR with R16RTCPU" of RH-*FRH***-R-* all versions, Controller "CR800-*HRR with R16RTCPU" of RH-*FRHR***-R-* all versions, Controller "CR800-*V*Q with Q172DSRCPU" of RV-*FR***-Q-* all versions, Controller "CR800-*HQ with Q172DSRCPU" of RH-*FRH***-Q-* all versions, Controller "CR800-*HRQ with Q172DSRCPU" of RH-*FRHR***-Q-* all versions
Affected: Controller "CR800-CVD" of RV-8CRL-D-* all versions, Controller "CR800-CHD" of RH-*CRH**-D-* all versions Affected: Controller "CR800-05VD" of RV-5AS-D-* all versions |
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"value": "Resource management errors vulnerability in a robot controller of MELFA FR Series(controller \"CR800-*V*D\" of RV-*FR***-D-* all versions, controller \"CR800-*HD\" of RH-*FRH***-D-* all versions, controller \"CR800-*HRD\" of RH-*FRHR***-D-* all versions, controller \"CR800-*V*R with R16RTCPU\" of RV-*FR***-R-* all versions, controller \"CR800-*HR with R16RTCPU\" of RH-*FRH***-R-* all versions, controller \"CR800-*HRR with R16RTCPU\" of RH-*FRHR***-R-* all versions, controller \"CR800-*V*Q with Q172DSRCPU\" of RV-*FR***-Q-* all versions, controller \"CR800-*HQ with Q172DSRCPU\" of RH-*FRH***-Q-* all versions, controller \"CR800-*HRQ with Q172DSRCPU\" of RH-*FRHR***-Q-* all versions) and a robot controller of MELFA CR Series(controller \"CR800-CVD\" of RV-8CRL-D-* all versions, controller \"CR800-CHD\" of RH-*CRH**-D-* all versions) as well as a cooperative robot ASSISTA(controller \"CR800-05VD\" of RV-5AS-D-* all versions) allows a remote unauthenticated attacker to cause a DoS of the execution of the robot program and the Ethernet communication by sending a large amount of packets in burst over a short period of time. As a result of DoS, an error may occur. A reset is required to recover it if the error occurs."
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"value": "Vulnerabilidad de errores de administraci\u00f3n de recursos en un controlador de robot de la serie MELFA FR (controller \"CR800-*V*D\" de RV-*FR***-D-* todas las versiones, controller \"CR800-*HD\" de RH-*FRH***-D-* todas las versiones, controller \"CR800-*HRD\" de RH-*FRHR***-D-* todas las versiones, controller \"CR800-*V*R with R16RTCPU\" de RV-*FR***-R-* todas las versiones, controller \"CR800-*HR with R16RTCPU\" de RH-*FRH***-R-* todas las versiones, controller \"CR800-*HRR with R16RTCPU\" de RH-*FRHR***-R-* todas las versiones, controller \"CR800-*V*Q with Q172DSRCPU\" de RV-*FR***-Q-* todas las versiones, controller \"CR800-*HQ with Q172DSRCPU\" de RH-*FRH***-Q-* todas las versiones, controller \"CR800-*HRQ with Q172DSRCPU\" de RH-*FRHR***-Q-* todas las versiones) y un controlador de robot de MELFA CR Series (controller \"CR800-CVD\" de RV-8CRL-D-* todas las versiones, controller \"CR800-CHD\" de RH-*CRH**-D-* todas las versiones) as\u00ed como tambi\u00e9n un robot cooperativo ASSISTA (controller \"CR800-05VD\" de RV-5AS-D-* todas las versiones), permite a un atacante remoto no autenticado causar una DoS de la ejecuci\u00f3n del programa del robot y la comunicaci\u00f3n Ethernet mediante el env\u00edo de una gran cantidad de paquetes en r\u00e1faga durante un corto per\u00edodo de tiempo. Como un resultado de la DoS, puede ocurrir un error. Se requiere un reinicio para recuperarlo si ocurre el error"
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"value": "Resource management errors vulnerability in a robot controller of MELFA FR Series(controller \"CR800-*V*D\" of RV-*FR***-D-* all versions, controller \"CR800-*HD\" of RH-*FRH***-D-* all versions, controller \"CR800-*HRD\" of RH-*FRHR***-D-* all versions, controller \"CR800-*V*R with R16RTCPU\" of RV-*FR***-R-* all versions, controller \"CR800-*HR with R16RTCPU\" of RH-*FRH***-R-* all versions, controller \"CR800-*HRR with R16RTCPU\" of RH-*FRHR***-R-* all versions, controller \"CR800-*V*Q with Q172DSRCPU\" of RV-*FR***-Q-* all versions, controller \"CR800-*HQ with Q172DSRCPU\" of RH-*FRH***-Q-* all versions, controller \"CR800-*HRQ with Q172DSRCPU\" of RH-*FRHR***-Q-* all versions) and a robot controller of MELFA CR Series(controller \"CR800-CVD\" of RV-8CRL-D-* all versions, controller \"CR800-CHD\" of RH-*CRH**-D-* all versions) as well as a cooperative robot ASSISTA(controller \"CR800-05VD\" of RV-5AS-D-* all versions) allows a remote unauthenticated attacker to cause a DoS of the execution of the robot program and the Ethernet communication by sending a large amount of packets in burst over a short period of time. As a result of DoS, an error may occur. A reset is required to recover it if the error occurs."
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"value": "Vulnerabilidad de errores de administraci\u00f3n de recursos en un controlador de robot de la serie MELFA FR (controller \"CR800-*V*D\" de RV-*FR***-D-* todas las versiones, controller \"CR800-*HD\" de RH-*FRH***-D-* todas las versiones, controller \"CR800-*HRD\" de RH-*FRHR***-D-* todas las versiones, controller \"CR800-*V*R with R16RTCPU\" de RV-*FR***-R-* todas las versiones, controller \"CR800-*HR with R16RTCPU\" de RH-*FRH***-R-* todas las versiones, controller \"CR800-*HRR with R16RTCPU\" de RH-*FRHR***-R-* todas las versiones, controller \"CR800-*V*Q with Q172DSRCPU\" de RV-*FR***-Q-* todas las versiones, controller \"CR800-*HQ with Q172DSRCPU\" de RH-*FRH***-Q-* todas las versiones, controller \"CR800-*HRQ with Q172DSRCPU\" de RH-*FRHR***-Q-* todas las versiones) y un controlador de robot de MELFA CR Series (controller \"CR800-CVD\" de RV-8CRL-D-* todas las versiones, controller \"CR800-CHD\" de RH-*CRH**-D-* todas las versiones) as\u00ed como tambi\u00e9n un robot cooperativo ASSISTA (controller \"CR800-05VD\" de RV-5AS-D-* todas las versiones), permite a un atacante remoto no autenticado causar una DoS de la ejecuci\u00f3n del programa del robot y la comunicaci\u00f3n Ethernet mediante el env\u00edo de una gran cantidad de paquetes en r\u00e1faga durante un corto per\u00edodo de tiempo. Como un resultado de la DoS, puede ocurrir un error. Se requiere un reinicio para recuperarlo si ocurre el error"
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"cve": "CVE-2021-20586",
"id": "CVE-2021-20586",
"initial_release_date": "2021-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "CVE-2021-20586",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-20586.json",
"version": "3"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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