Vulnerability Report

CVE-2021-20598

Title: Mitsubishielectric R08Psfcpu Auth Bypass

Auth Bypass

Proof Of Concept

No public PoC currently indexed for CVE-2021-20598.

CWE Category CWE-287
Published Date Aug 06, 2021
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 5.3 CVSS v3.1
Exploit Probability (EPSS)
1.51%

Vulnerability Summary

CVE-2021-20598: Overly Restrictive Account Lockout Mechanism vulnerability in Mitsubishi Electric MELSEC iQ-R series CPU modules (R08/16/32/120SFCPU all versions, R08/16/32/120PSFCPU all versions) allows a remote unauthenticated attacker to lockout a legitimate user by continuously trying login with incorrect password.

Impacted Vendors

M
mitsubishielectric 8

Reference Links

https://jvn.jp/vu/JVNVU98578731/index.html https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-010_en.pdf https://jvn.jp/vu/JVNVU98578731/index.html https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-010_en.pdf
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
5.3
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:L
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-2021-20598 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:L

Affected Stack

No specific products linked.