CVE Vulnerability

CVE-2021-20608

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://us-cert.cisa.gov/ics/advisories/icsa-21-350-04 Third Party Advisory US Government Resource
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-020_en.pdf Vendor Advisory
https://jvn.jp/vu/JVNVU93019896/index.html Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:mitsubishielectric:gx_works2:*:*:*:*:*:*:*:*
Information

Published : 2021-12-17 05:15

Updated : 2021-12-27 06:30

NVD link : CVE-2021-20608

Mitre link : CVE-2021-20608

Products Affected
No products.
CWE
NVD-CWE-Other