HOMEVULNERABILITIESCVE-2020-5645
HIGH

CVE-2020-5645

CWE-384Published: November 6, 2020· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

Session fixation vulnerability in TCP/IP function included in the firmware of GT14 Model of GOT 1000 series (GT1455-QTBDE CoreOS version "05.65.00.BD" and earlier, GT1450-QMBDE CoreOS version "05.65.00.BD" and earlier, GT1450-QLBDE CoreOS version "05.65.00.BD" and earlier, GT1455HS-QTBDE CoreOS version "05.65.00.BD" and earlier, and GT1450HS-QMBDE CoreOS version "05.65.00.BD" and earlier) allows a remote unauthenticated attacker to stop the network functions of the products via a specially crafted packet.

NVD Source

Technical Analysis

CVE-2020-5645 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

mitsubishielectric6 product(s)
coreosgt1450-qlbdegt1450-qmbdegt1450hs-qmbdegt1455-qtbdegt1455hs-qtbde
Source: NVD CPE · 6 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/JVNVU99562395/index.html
ADVISORYhttps://us-cert.cisa.gov/ics/advisories/icsa-20-310-02
ADVISORYhttps://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-014.pdf
ADVISORYhttps://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-014_en.pdf
ADVISORYhttps://jvn.jp/vu/JVNVU99562395/index.html
ADVISORYhttps://us-cert.cisa.gov/ics/advisories/icsa-20-310-02
ADVISORYhttps://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-014.pdf
ADVISORYhttps://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-014_en.pdf

All References (8)

→
https://jvn.jp/vu/JVNVU99562395/index.htmlThird Party Advisory
→
https://us-cert.cisa.gov/ics/advisories/icsa-20-310-02Third Party Advisory · US Government Resource
→
https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-014.pdfVendor Advisory
→
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-014_en.pdfVendor Advisory
→
https://jvn.jp/vu/JVNVU99562395/index.htmlThird Party Advisory
→
https://us-cert.cisa.gov/ics/advisories/icsa-20-310-02Third Party Advisory · US Government Resource
→
https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-014.pdfVendor Advisory
→
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-014_en.pdfVendor Advisory

Quick Facts

CVE IDCVE-2020-5645
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-384
CISA KEVNo
Affected1 vendor(s)
PublishedNov 6, 2020

Related CVEs (CWE-384)

CVE-2024-11317
10.0
CVE-2021-20151
10.0
CVE-2024-57052
9.8
CVE-2023-0897
9.8
CVE-2023-5309
9.8
CVE-2023-41012
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-5645 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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