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VULNERABILITIES

CVE-2021-20608 Details

Description

Improper Handling of Length Parameter Inconsistency vulnerability in Mitsubishi Electric GX Works2 versions 1.606G and prior allows a remote unauthenticated attacker to cause a DoS condition in GX Works2 by getting GX Works2 to read a tampered program file from a Mitsubishi Electric PLC by sending malicious crafted packets to tamper with the program file.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://jvn.jp/vu/JVNVU93019896/index.html CVEThird Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-350-04 CVEThird Party AdvisoryUS Government Resource
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-020_en.pdf CVEVendor Advisory
https://jvn.jp/vu/JVNVU93019896/index.html [email protected]Third Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-350-04 [email protected]Third Party AdvisoryUS Government Resource

see all 6 references

Weakness Enumeration

CWE-IDCWE NameSource
NVD-CWE-OtherWeakness Not in a Standard CWE Category[email protected]

Affected Products

ProductVersions
mitsubishielectric gx works2
<= 1.606g

CPE

  • cpe:2.3:a:mitsubishielectric:gx_works2:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-20608
NVD Published Date:
Dec 17, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-20608 Details - Not Deferred