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CVE-2020-5595

TCP/IP function included in the firmware of Mitsubishi Electric GOT2000 series (CoreOS with...

9.8 Critical

TCP/IP function included in the firmware of Mitsubishi Electric GOT2000 series (CoreOS with version -Y and earlier installed in GT27 Model, GT25 Model, and GT23 Model) contains a buffer overflow vulnerability, which may allow a remote attacker to stop the network functions of the products or execute a malicious program via a specially crafted packet.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

2.45%Up 1.7 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 9.8

TCP/IP function included in the firmware of Mitsubishi Electric GOT2000 series (CoreOS with version -Y and earlier installed in GT27 Model, GT25 Model, and GT23 Model) contains a buffer overflow vulnerability, which may allow a remote attacker to stop the network functions of the products or execute a malicious program via a specially crafted packet.

Record
CVE-2020-5595
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-120
Updated
2026-11-02
CVE List No score

TCP/IP function included in the firmware of Mitsubishi Electric GOT2000 series (CoreOS with version -Y and earlier installed in GT27 Model, GT25 Model, and GT23 Model) contains a buffer overflow vulnerability, which may allow a remote attacker to stop the network functions of the products or execute a malicious program via a specially crafted packet.

Record
CVE-2020-5595
Updated
2026-11-02
EUVDEUVD-2020-26756 No score

TCP/IP function included in the firmware of Mitsubishi Electric GOT2000 series (CoreOS with version -Y and earlier installed in GT27 Model, GT25 Model, and GT23 Model) contains a buffer overflow vulnerability, which may allow a remote attacker to stop the network functions of the products or execute a malicious program via a specially crafted packet.

Record
EUVD-2020-26756
Updated
2026-11-03
GitHub AdvisoriesGHSA-jq7r-rrqm-9q6v No score

TCP/IP function included in the firmware of Mitsubishi Electric GOT2000 series (CoreOS with...

TCP/IP function included in the firmware of Mitsubishi Electric GOT2000 series (CoreOS with version -Y and earlier installed in GT27 Model, GT25 Model, and GT23 Model) contains a buffer overflow vulnerability, which may allow a remote attacker to stop the network functions of the products or execute a malicious program via a specially crafted packet.

Record
GHSA-jq7r-rrqm-9q6v
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-5595 is a critical vulnerability (CVSS 9.8) in Mitsubishielectric Coreos, published July 7, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.45%, the 84th percentile. No source names a fixed version.

References

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