CVE-2020-5647

highpriority · track · 40EPSS 0.042 · 91 %ileEUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
4.21% (91st) EPSS
CVSS 7.5 · high
Is it mine?
12 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-28

Improper access control 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 or execute a malicious program via a specially crafted packet.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

  • MitigationGT1450-QLBDEcisa_csaf_ot

    Mitsubishi Electric recommends users update their products by downloading and applying the latest versions. For more information about steps to take to update to the newest version, please see the vulnerability information on the Mitsubishi website. To further reduce risk, restrict access to the product only from trusted networks and hosts. Contact a Mitsubishi Electric representative for additional details.

    https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-014_en.pdf
  • MitigationGT1450-QMBDEcisa_csaf_ot

    Mitsubishi Electric recommends users update their products by downloading and applying the latest versions. For more information about steps to take to update to the newest version, please see the vulnerability information on the Mitsubishi website. To further reduce risk, restrict access to the product only from trusted networks and hosts. Contact a Mitsubishi Electric representative for additional details.

    https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-014_en.pdf
  • MitigationGT1450HS-QMBDEcisa_csaf_ot

    Mitsubishi Electric recommends users update their products by downloading and applying the latest versions. For more information about steps to take to update to the newest version, please see the vulnerability information on the Mitsubishi website. To further reduce risk, restrict access to the product only from trusted networks and hosts. Contact a Mitsubishi Electric representative for additional details.

    https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-014_en.pdf
  • MitigationGT1455-QTBDEcisa_csaf_ot

    Mitsubishi Electric recommends users update their products by downloading and applying the latest versions. For more information about steps to take to update to the newest version, please see the vulnerability information on the Mitsubishi website. To further reduce risk, restrict access to the product only from trusted networks and hosts. Contact a Mitsubishi Electric representative for additional details.

    https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-014_en.pdf
  • MitigationGT1455HS-QTBDEcisa_csaf_ot

    Mitsubishi Electric recommends users update their products by downloading and applying the latest versions. For more information about steps to take to update to the newest version, please see the vulnerability information on the Mitsubishi website. To further reduce risk, restrict access to the product only from trusted networks and hosts. Contact a Mitsubishi Electric representative for additional details.

    https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-014_en.pdf
02

cvss

Technical severity, 0–10. One row per scoring source.

9.8
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9
v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · CISA US
v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)
03

weaknesses

The CWE weakness classes this flaw belongs to.

04

affected products (12)

Products and version ranges known to be affected.

05

advisories (1)

Vendor and ecosystem advisories describing this.

  • ICSA-20-310-02Mitsubishi Electric GT14 Model of GOT1000 Series2020-11-05icsa · cisa_csaf_otUS

    Successful exploitation of these vulnerabilities by an attacker may result in a denial-of-service condition or code execution.

06

also known as (3)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

published 2020-11-06modified 2026-06-17
08

references (14)

External citations — patches, advisories, analysis.

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