What is the CVSS score of CVE-2021-37401?

CVE-2021-37401 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: 1.3%.

Data File Manager CVE-2021-37401

CRITICAL

Insufficiently Protected Credentials (CWE-522)

2021-12-28 cve@mitre.org

Information Disclosure Data File Manager Windedit Windldr Microsmart Plus Fc6B Firmware Microsmart Plus Fc6A Firmware Microsmart Fc6B Firmware Microsmart Fc6A Firmware Ft1A Smartaxix Pro Firmware Ft1A Smartaxix Lite 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

Dec 28, 2021 - 13:15 nvd

CRITICAL 9.8

DescriptionNVD

An attacker may obtain the user credentials from file servers, backup repositories, or ZLD files saved in SD cards. As a result, the PLC user program may be uploaded, altered, and/or downloaded.

AnalysisAI

An attacker may obtain the user credentials from file servers, backup repositories, or ZLD files saved in SD cards. 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 as Insufficiently Protected Credentials (CWE-522), which allows attackers to obtain user credentials due to weak protection mechanisms. An attacker may obtain the user credentials from file servers, backup repositories, or ZLD files saved in SD cards. As a result, the PLC user program may be uploaded, altered, and/or downloaded. Affected products include: Idec Data File Manager, Idec Windedit, Idec Windldr, Idec Microsmart Plus Fc6B Firmware, Idec Microsmart Plus Fc6A Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Hash passwords with strong algorithms (bcrypt, argon2), encrypt credentials in transit and at rest, never log credentials.