What is the CVSS score of CVE-2023-2063?

CVE-2023-2063 has a CVSS 3.1 base score of 7.3 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L. EPSS exploitation probability: 0.6%.

Fx5 Enet Ip Firmware CVE-2023-2063

HIGH

Unrestricted Upload of File with Dangerous Type (CWE-434)

2023-06-02 Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp

File Upload Information Disclosure Fx5 Enet Ip Firmware Sw1Dnn Eipct Bd Firmware Rj71Eip91 Firmware Sw1Dnn Eipctfx5 Bd Firmware

7.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.3 HIGH

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

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:L/I:L/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Lifecycle Timeline

CVE Published

Jun 02, 2023 - 05:15 nvd

HIGH 7.3

DescriptionNVD

Unrestricted Upload of File with Dangerous Type vulnerability in FTP function on Mitsubishi Electric Corporation MELSEC iQ-R Series EtherNet/IP module RJ71EIP91 and MELSEC iQ-F Series EtherNet/IP module FX5-ENET/IP allows a remote unauthenticated attacker to cause information disclosure, tampering, deletion or destruction via file upload/download. As a result, the attacker may be able to exploit this for further attacks.

AnalysisAI

Unrestricted Upload of File with Dangerous Type vulnerability in FTP function on Mitsubishi Electric Corporation MELSEC iQ-R Series EtherNet/IP module RJ71EIP91 and MELSEC iQ-F Series EtherNet/IP. Rated high severity (CVSS 7.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Unrestricted File Upload (CWE-434), which allows attackers to upload malicious files that can be executed on the server. Unrestricted Upload of File with Dangerous Type vulnerability in FTP function on Mitsubishi Electric Corporation MELSEC iQ-R Series EtherNet/IP module RJ71EIP91 and MELSEC iQ-F Series EtherNet/IP module FX5-ENET/IP allows a remote unauthenticated attacker to cause information disclosure, tampering, deletion or destruction via file upload/download. As a result, the attacker may be able to exploit this for further attacks. Affected products include: Mitsubishielectric Fx5-Enet\/Ip Firmware, Mitsubishielectric Sw1Dnn-Eipct-Bd Firmware, Mitsubishielectric Rj71Eip91 Firmware, Mitsubishielectric Sw1Dnn-Eipctfx5-Bd Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate file types server-side, store uploads outside webroot, use random filenames, scan for malware.