Vulnerability Report

CVE-2021-20607

Title: Mitsubishielectric Melsoft Navigator Memory Corruption

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2021-20607.

CWE Category CWE-191
Published Date Dec 17, 2021
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 5.5 CVSS v3.1
Exploit Probability (EPSS)
0.99%

Vulnerability Summary

CVE-2021-20607: Integer Underflow vulnerability in Mitsubishi Electric GX Works2 versions 1.606G and prior, Mitsubishi Electric MELSOFT Navigator versions 2.84N and prior and Mitsubishi Electric EZSocket versions 5.4 and prior allows an attacker to cause a DoS condition in the software by getting a user to open malicious project file specially crafted by an attacker.

Impacted Vendors

M
mitsubishielectric 3

Reference Links

https://jvn.jp/vu/JVNVU93817405/index.html https://us-cert.cisa.gov/ics/advisories/icsa-21-350-05 https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-021_en.pdf https://jvn.jp/vu/JVNVU93817405/index.html https://us-cert.cisa.gov/ics/advisories/icsa-21-350-05 https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-021_en.pdf
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
5.5
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
4.3
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:M/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-20607 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 LOCAL
Complexity LOW
Privileges N/A
Interaction REQUIRED
CVSS Vector String CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected Stack

No specific products linked.