CVE-2021-20607 Information

Description

Integer Underflow vulnerability in Mitsubishi Electric GX Works2 versions 1.606G and prior MELSOFT Navigator all versions and EZSocket all versions allows an attacker to cause a DoS condition in the software by getting a user to open malicious project file specially crafted by an attacker.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Reference

https://jvn.jp/vu/JVNVU93817405/index.html https://us-cert.cisa.gov/ics/advisories/icsa-21-350-05 https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-021_en.pdf

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5