Vulnerability Report

CVE-2021-20601

Title: Improper Input Validation in GOT2000/GOT SIMPLE series and GT SoftGOT2000

Malfunction

Proof Of Concept

No public PoC currently indexed for CVE-2021-20601.

CWE Category CWE-20
Published Date Nov 23, 2021
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 7.5 CVSS v3.1
Exploit Probability (EPSS)
2.43%

Vulnerability Summary

CVE-2021-20601: Improper input validation vulnerability in GOT2000 series GT27 model all versions, GOT2000 series GT25 model all versions, GOT2000 series GT23 model all versions, GOT2000 series GT21 model all versions, GOT SIMPLE series GS21 model all versions, and GT SoftGOT2000 all versions allows an remote unauthenticated attacker to write a value that exceeds the configured input range limit by sending a malicious packet to rewrite the device value. As a result, the system operation may be affected, such as malfunction.

Impacted Vendors

M
mitsubishielectric 50
M
mitsubishi 1

Reference Links

https://jvn.jp/vu/JVNVU98072504 https://us-cert.cisa.gov/ics/advisories/icsa-21-320-02 https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2021-018.pdf https://jvn.jp/vu/JVNVU98072504 https://us-cert.cisa.gov/ics/advisories/icsa-21-320-02 https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2021-018.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:H/A:N
CVSS v2.0
Source Entity [email protected]
Severity HIGH
7.8
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:N/I:C/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-20601 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:H/A:N

Affected Stack

No specific products linked.