CVE-2020-16850

Published: Nov 30, 2020Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-20

7.5HIGH

NVD MITRE

Description

Mitsubishi MELSEC iQ-R Series PLCs with firmware 49 allow an unauthenticated attacker to halt the industrial process by sending a crafted packet over the network. This denial of service attack exposes Improper Input Validation. After halting, physical access to the PLC is required in order to restore production, and the device state is lost. This is related to R04CPU, RJ71GF11-T2, R04CPU, and RJ71GF11-T2.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:NConfidentiality

None

I:NIntegrity

None

A:HAvailability

High

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Weaknesses

CWE-20 CWE-400

Affected Products

and 23 more affected products View all →

Exploitability

Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Impact

Initial Access

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References

https://www.us-cert.gov/ics/advisories/icsa-20-282-02

us-cert.gov

https://nvd.nist.gov/vuln/detail/CVE-2020-16850

nvd.nist.gov

https://blog.scadafence.com/vulnerability-in-mitsubishi-electric-melsec-iq-r-series

blog.scadafence.com

and 13 more references View all →

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