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CVE-2020-5527

Published: Mar 30, 2020Updated: Nov 21, 2024 Sources: CVE List NVD csafCWE-400
7.5HIGH
NVD MITRE
EPSS Score
1.3%
Top 31.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
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
Open in CVSS calculator →

Weaknesses

CWE-400

Affected Products

mitsubishielectric
commercial·JPaka mitsubishi electric
cr800-q firmware
ICS / OT / IoT
fx3g firmware
ICS / OT / IoT
fx3gc firmware
ICS / OT / IoT
fx3s firmware
ICS / OT / IoT
fx3u firmware
ICS / OT / IoT
fx3uc firmware
ICS / OT / IoT
fx5u firmware
ICS / OT / IoT
fx5uc firmware
ICS / OT / IoT
Mitsubishi Electric Corporation
commercial·JPaka mitsubishi electric
MELSOFT transmission port (UDP/IP) of multiple Mitsubishi Electric MELSEC series
ICS / OT / IoT
and 38 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

1 technique
Impact
View detailed technique mapping

References

https://jvn.jp/en/vu/JVNVU91553662/index.html
jvn.jp
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2019-005_en.pdf
mitsubishielectric.com
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2020/icsa-20-091-02.json
raw.githubusercontent.com
and 6 more references View all →

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