Vulnerability Report

CVE-2021-20608

Title: Mitsubishielectric Gx Works2 Denial of Service (DoS)

Denial of Service (DoS)

Proof Of Concept

No public PoC currently indexed for CVE-2021-20608.

CWE Category NVD-CWE-noinfo
Published Date Dec 17, 2021
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 7.5 CVSS v3.1
Exploit Probability (EPSS)
2.88%

Vulnerability Summary

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.

Impacted Vendors

M
mitsubishielectric 1

Reference Links

https://jvn.jp/vu/JVNVU93019896/index.html https://us-cert.cisa.gov/ics/advisories/icsa-21-350-04 https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-020_en.pdf https://jvn.jp/vu/JVNVU93019896/index.html https://us-cert.cisa.gov/ics/advisories/icsa-21-350-04 https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-020_en.pdf
CVSS v3.1
Source Entity [email protected]
Severity HIGH
7.5
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
5.0
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-20608 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Stack

No specific products linked.