CVE-2020-13238 - CVE House
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Status published High CVE-2020-13238

Mitsubishi MELSEC iQ-R Series PLCs with firmware 33 allow attackers...

Vulnerability Description

Mitsubishi MELSEC iQ-R Series PLCs with firmware 33 allow attackers to halt the industrial process by sending an unauthenticated crafted packet over the network, because this denial of service attack consumes excessive CPU time. After halting, physical access to the PLC is required in order to restore production.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

mitsubishielectric

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Affected Software

melsec iq-r00cpu firmware, melsec iq-r01cpu firmware, melsec iq-r02cpu firmware, melsec iq-r04cpu firmware, melsec iq-r08cpu firmware, melsec iq-r16cpu firmware, melsec iq-r32cpu firmware, melsec iq-r120cpu firmware, melsec iq-r08fcpu firmware, melsec iq-r16fcpu firmware, melsec iq-r32fcpu firmware, melsec iq-r120fcpu firmware, melsec iq-r08pcpu firmware, melsec iq-r16pcpu firmware, melsec iq-r32pcpu firmware, melsec iq-r120pcpu firmware, melsec iq-r08sfcpu firmware, melsec iq-r16sfcpu firmware, melsec iq-r32sfcpu firmware, melsec iq-r120sfcpu firmware, melsec iq-rj71en71 firmware
Vulnerable Versions:
0

Timeline

Official Publish: June 10th, 2020
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.