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    CVE-2021-40390

    An authentication bypass vulnerability exists in the Web Application functionality of Moxa MXView Series 3.2.4. A specially-crafted HTTP request can lead to unauthorized access. An attacker can send an HTTP request to trigger this vulnerability.

    Published:Apr 14, 2022
    Last Modified:Apr 15, 2025
    EPS:Apr 14, 2022
    EPSS Score:0.00311
    CVSS Score:9.8

    Affected Products

    Vendor
    Moxa
    Product
    Mxview

    Exploits

    https://talosintelligence.com/vulnerability_reports/TALOS-2021-1401https://talosintelligence.com/vulnerability_reports/TALOS-2021-1401

    Common Weakness Enumeration

    CWE-798 Use of Hard-coded Credentials

    Related CVEs

    CVE-2021-40392 (CVSS 7.5) — An information disclosure vulnerability exists in the Web Application functionality of Moxa MXView Series 3.2.…
    CVE-2021-38460 (CVSS 7.5) — A path traversal vulnerability in the Moxa MXview Network Management software Versions 3.x to 3.2.2 may allow …
    CVE-2021-38458 (CVSS 9.8) — A path traversal vulnerability in the Moxa MXview Network Management software Versions 3.x to 3.2.2 may allow …
    CVE-2021-38454 (CVSS 10) — A path traversal vulnerability in the Moxa MXview Network Management software Versions 3.x to 3.2.2 may allow …
    CVE-2021-38456 (CVSS 9.8) — A use of hard-coded password vulnerability in the Moxa MXview Network Management software Versions 3.x to 3.2.…
    CVE-2021-38452 (CVSS 7.5) — A path traversal vulnerability in the Moxa MXview Network Management software Versions 3.x to 3.2.2 may allow …
    CVE-2020-13537 (CVSS 7.8) — An exploitable local privilege elevation vulnerability exists in the file system permissions of Moxa MXView se…
    CVE-2020-13536 (CVSS 7.8) — An exploitable local privilege elevation vulnerability exists in the file system permissions of Moxa MXView se…
    CVE-2018-7506 (CVSS 7.5) — The private key of the web server in Moxa MXview versions 2.8 and prior is able to be read and accessed via an…
    CVE-2017-14030 (CVSS 7.8) — An issue was discovered in Moxa MXview v2.8 and prior. The unquoted service path escalation vulnerability coul…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High