CVE-2020-5649 : Resource management error vulnerability in TCP/IP function included in the firmw

Resource management error 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.

Published 2020-11-06 03:15:18

Updated 2021-07-21 11:39:24

Source JPCERT/CC

View at NVD, CVE.org

Products affected by CVE-2020-5649

Mitsubishielectric » Coreos
Versions up to, including, (<=) 05.65.00.bd
cpe:2.3:o:mitsubishielectric:coreos:*:*:*:*:*:*:*:*
Matching versions
When used together with: Mitsubishielectric » Gt1450-qlbde » Version: N/A
When used together with: Mitsubishielectric » Gt1450-qmbde » Version: N/A
When used together with: Mitsubishielectric » Gt1450hs-qmbde » Version: N/A
When used together with: Mitsubishielectric » Gt1455-qtbde » Version: N/A
When used together with: Mitsubishielectric » Gt1455hs-qtbde » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2020-5649

EPSS FAQ

0.54%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 78 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-5649

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

References for CVE-2020-5649

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

MITSUBISHI ELECTRIC Global website
Vendor Advisory

CVEs referencing this url
https://us-cert.cisa.gov/ics/advisories/icsa-20-310-02

Mitsubishi Electric GT14 Model of GOT1000 Series | CISA
Third Party Advisory;US Government Resource

CVEs referencing this url
https://jvn.jp/vu/JVNVU99562395/index.html

JVNVU#99562395: 三菱電機製 GOT1000 シリーズ GT14 モデルにおける複数の脆弱性
Third Party Advisory

CVEs referencing this url
https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-014.pdf

Vendor Advisory

CVEs referencing this url

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Vulnerability Details : CVE-2020-5649

Products affected by CVE-2020-5649

Exploit prediction scoring system (EPSS) score for CVE-2020-5649

CVSS scores for CVE-2020-5649

References for CVE-2020-5649