CVE-2020-5596

Description

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) does not properly manage sessions, which may allow a remote attacker to stop the network functions of the products or execute a malicious program via a specially crafted packet.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.14%
Vendor Advisory mitsubishielectric.com
Affected: Mitsubishi Electric Corporation GOT2000 series GT27, GT25, and GT23
Published at:
Updated at:

References

Link Tags
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-005_en.pdf vendor advisory
https://jvn.jp/en/vu/JVNVU95413676/index.html third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-5596?
CVE-2020-5596 has been scored as a high severity vulnerability.
How to fix CVE-2020-5596?
To fix CVE-2020-5596, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-5596 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-5596 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-5596?
CVE-2020-5596 affects Mitsubishi Electric Corporation GOT2000 series GT27, GT25, and GT23.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.