Session fixation vulnerability in TCP/IP function included in the firmware of GT14 Model of GOT 1000 series (GT1455-QTBDE CoreOS version "0…

published 2020-11-06 6y ago modified 2026-06-17 4mo ago also EUVD-2020-26806

cvss: 7.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 3.9%; EPSS 3.9% chance of exploitation in 30 days, percentile 90%
public exploits: 0; none known

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.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-20-310-02 updated 2020-11-05 cvss 7.5

Mitsubishi Electric GT14 Model of GOT1000 Series

Mitsubishi Electric GT1450-QLBDE Mitsubishi Electric GT1450-QMBDE Mitsubishi Electric GT1450HS-QMBDE Mitsubishi Electric GT1455-QTBDE Mitsubishi Electric GT1455HS-QTBDE
affected: mitigation mitsubishielectric.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

3.88% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

Mitsubishi Electric Corporation GT14 Model of GOT 1000 series

Classification

Weakness

CWE-384 Session Fixation

References

mitsubishielectric.com /en/psirt/vulnerability/pdf/2020-014_en.pdf
vendor-advisory
mitsubishielectric.co.jp /psirt/vulnerability/pdf/2020-014.pdf
vendor-advisory
us-cert.cisa.gov /ics/advisories/icsa-20-310-02
third-party-advisory, us-government-resource
jvn.jp /vu/JVNVU99562395/index.html
third-party-advisory

Sources

CVE List CVE-2020-5645
NVD CVE-2020-5645

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