What is the CVSS score of CVE-2022-25163?

CVE-2022-25163 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 2.1%.

Melsec Iq R Rd81Mes96N Firmware CVE-2022-25163

CRITICAL

Improper Input Validation (CWE-20)

2022-06-02 Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp

Denial Of Service Melsec Iq R Rd81Mes96N Firmware Melsec Qj71E71 100 Firmware Melsec Lj71E71 100 Firmware

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jun 02, 2022 - 18:15 nvd

CRITICAL 9.8

DescriptionNVD

Improper Input Validation vulnerability in Mitsubishi Electric MELSEC-Q Series QJ71E71-100 first 5 digits of serial number "24061" or prior, Mitsubishi Electric MELSEC-L series LJ71E71-100 first 5 digits of serial number "24061" or prior and Mitsubishi Electric MELSEC iQ-R Series RD81MES96N firmware version "08" or prior allows a remote unauthenticated attacker to cause a denial of service (DoS) condition or execute malicious code on the target products by sending specially crafted packets.

AnalysisAI

Improper Input Validation vulnerability in Mitsubishi Electric MELSEC-Q Series QJ71E71-100 first 5 digits of serial number "24061" or prior, Mitsubishi Electric MELSEC-L series LJ71E71-100 first 5. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-20. Improper Input Validation vulnerability in Mitsubishi Electric MELSEC-Q Series QJ71E71-100 first 5 digits of serial number "24061" or prior, Mitsubishi Electric MELSEC-L series LJ71E71-100 first 5 digits of serial number "24061" or prior and Mitsubishi Electric MELSEC iQ-R Series RD81MES96N firmware version "08" or prior allows a remote unauthenticated attacker to cause a denial of service (DoS) condition or execute malicious code on the target products by sending specially crafted packets. Affected products include: Mitsubishi Melsec Iq-R Rd81Mes96N Firmware, Mitsubishi Melsec Qj71E71-100 Firmware, Mitsubishi Melsec Lj71E71-100 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.