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VULNERABILITIES

CVE-2020-5527 Details

Description

When MELSOFT transmission port (UDP/IP) of Mitsubishi Electric MELSEC iQ-R series (all versions), MELSEC iQ-F series (all versions), MELSEC Q series (all versions), MELSEC L series (all versions), and MELSEC F series (all versions) receives massive amount of data via unspecified vectors, resource consumption occurs and the port does not process the data properly. As a result, it may fall into a denial-of-service (DoS) condition. The vendor states this vulnerability only affects Ethernet communication functions.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://jvn.jp/en/vu/JVNVU91553662/index.html CVEThird Party Advisory
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2019-005_en.pdf CVEVendor Advisory
https://jvn.jp/en/vu/JVNVU91553662/index.html [email protected]Third Party Advisory
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2019-005_en.pdf [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-400Uncontrolled Resource Consumption[email protected]

Affected Products

ProductVersions

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2020-5527
NVD Published Date:
Mar 30, 2020
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2020-5527 Details - Not Deferred