CVE-2021-20608

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

7.5 /10

CVSS v3 : 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

5.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
https://jvn.jp/vu/JVNVU93019896/index.html Third Party Advisory
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
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
Configurations

Configuration 1 (hide)

cpe:2.3:a:mitsubishielectric:gx_works2:*:*:*:*:*:*:*:*
History

21 Nov 2024, 05:46

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

27 Dec 2021, 18:30

Type Values Removed Values Added
CWE NVD-CWE-Other
CPE cpe:2.3:a:mitsubishielectric:gx_works2:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : 5.0
v3 : 7.5
References (MISC) https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-020_en.pdf - (MISC) https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-020_en.pdf - Vendor Advisory
References (MISC) https://jvn.jp/vu/JVNVU93019896/index.html - (MISC) https://jvn.jp/vu/JVNVU93019896/index.html - Third Party Advisory
References (MISC) https://us-cert.cisa.gov/ics/advisories/icsa-21-350-04 - (MISC) https://us-cert.cisa.gov/ics/advisories/icsa-21-350-04 - Third Party Advisory, US Government Resource

17 Dec 2021, 18:36

Type Values Removed Values Added
New CVE
Information

Published : 2021-12-17 17:15

Updated : 2024-11-21 05:46

NVD link : CVE-2021-20608

Mitre link : CVE-2021-20608

CVE.ORG link : CVE-2021-20608

JSON object : View

Products Affected

mitsubishielectric

  • gx_works2
CWE
NVD-CWE-Other