HOMEVULNERABILITIESCVE-2020-5675
HIGH

CVE-2020-5675

CWE-125Published: December 4, 2020· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

Out-of-bounds read vulnerability in GT21 model of GOT2000 series (GT2107-WTBD V01.39.000 and earlier, GT2107-WTSD V01.39.000 and earlier, GT2104-RTBD V01.39.000 and earlier, GT2104-PMBD V01.39.000 and earlier, and GT2103-PMBD V01.39.000 and earlier), GS21 model of GOT series (GS2110-WTBD V01.39.000 and earlier, GS2107-WTBD V01.39.000 and earlier, GS2110-WTBD-N V01.39.000 and earlier, and GS2107-WTBD-N V01.39.000 and earlier), and Tension Controller LE7-40GU-L series (LE7-40GU-L Screen package data for CC-Link IEF Basic V1.00, LE7-40GU-L Screen package data for MODBUS/TCP V1.00, and LE7-40GU-L Screen package data for SLMP V1.00) allows a remote attacker to cause a denial-of-service (DoS) condition by sending a specially crafted packet. As a result, deterioration of communication performance or a denial-of-service (DoS) condition of the TCP communication functions of the products may occur.

NVD Source

Technical Analysis

CVE-2020-5675 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

mitsubishielectric20 product(s)
gt2107-wtbd firmwaregt2107-wtbdgt2107-wtsd firmwaregt2107-wtsdgt2104-rtbd firmwaregt2104-rtbdgt2104-pmbd firmwaregt2104-pmbdgt2103-pmbd firmwaregt2103-pmbdgs2110-wtbd firmwaregs2110-wtbd+8
Source: NVD CPE · 20 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://jvn.jp/vu/JVNVU99277775/index.html
ADVISORYhttps://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-017.pdf
ADVISORYhttps://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-017_en.pdf
ADVISORYhttps://jvn.jp/vu/JVNVU99277775/index.html
ADVISORYhttps://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-017.pdf
ADVISORYhttps://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-017_en.pdf

All References (6)

→
https://jvn.jp/vu/JVNVU99277775/index.htmlThird Party Advisory
→
https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-017.pdfVendor Advisory
→
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-017_en.pdfVendor Advisory
→
https://jvn.jp/vu/JVNVU99277775/index.htmlThird Party Advisory
→
https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-017.pdfVendor Advisory
→
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-017_en.pdfVendor Advisory

Quick Facts

CVE IDCVE-2020-5675
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-125
CISA KEVNo
Affected1 vendor(s)
PublishedDec 4, 2020

Related CVEs (CWE-125)

CVE-2021-21777
10.0
CVE-2017-14451
10.0
CVE-2013-0767
10.0
CVE-2009-2523
10.0
CVE-2021-41556
10.0
CVE-2023-26489
9.9

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-5675 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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