Vulnerability Report

CVE-2021-20594

Title: Mitsubishielectric R08Psfcpu Information Disclosure

Information Disclosure

Proof Of Concept

No public PoC currently indexed for CVE-2021-20594.

CWE Category CWE-200
Published Date Aug 06, 2021
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 7.5 CVSS v3.1
Exploit Probability (EPSS)
2.37%

Vulnerability Summary

CVE-2021-20594: Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Mitsubishi Electric MELSEC iQ-R series Safety CPU modules R08/16/32/120SFCPU firmware versions "26" and prior and Mitsubishi Electric MELSEC iQ-R series SIL2 Process CPU modules R08/16/32/120PSFCPU firmware versions "11" and prior allows a remote unauthenticated attacker to acquire legitimate user names registered in the module via brute-force attack on user names.

Impacted Vendors

M
mitsubishielectric 8

Reference Links

https://jvn.jp/vu/JVNVU98578731/index.html https://www.cisa.gov/uscert/ics/advisories/icsa-21-250-01 https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-008_en.pdf https://jvn.jp/vu/JVNVU98578731/index.html https://www.cisa.gov/uscert/ics/advisories/icsa-21-250-01 https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-008_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:H/I:N/A:N
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:P/I:N/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-20594 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:H/I:N/A:N

Affected Stack

No specific products linked.