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    CVE-2021-21890

    A stack-based buffer overflow vulnerability exists in the Web Manager FsBrowseClean functionality of Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU). A specially crafted HTTP request can lead to remote code execution in the vulnerable portion of the branch (deletedir). An attacker can make an authenticated HTTP request to trigger this vulnerability.

    Published:Dec 22, 2021
    Last Modified:Nov 21, 2024
    EPS:Dec 22, 2021
    EPSS Score:0.02972
    CVSS Score:9.1

    Affected Products

    Vendor
    Lantronix
    Product
    Premierwave 2050
    Vendor
    Lantronix
    Product
    Premierwave 2050 Firmware

    Exploits

    https://talosintelligence.com/vulnerability_reports/TALOS-2021-1334https://talosintelligence.com/vulnerability_reports/TALOS-2021-1334

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2021-21896 (CVSS 6.5) — A directory traversal vulnerability exists in the Web Manager FsBrowseClean functionality of Lantronix Premier…
    CVE-2021-21895 (CVSS 7.2) — A directory traversal vulnerability exists in the Web Manager FsTFtp functionality of Lantronix PremierWave 20…
    CVE-2021-21894 (CVSS 9.1) — A directory traversal vulnerability exists in the Web Manager FsTFtp functionality of Lantronix PremierWave 20…
    CVE-2021-21892 (CVSS 9.9) — A stack-based buffer overflow vulnerability exists in the Web Manager FsUnmount functionality of Lantronix Pre…
    CVE-2021-21891 (CVSS 9.1) — A stack-based buffer overflow vulnerability exists in the Web Manager FsBrowseClean functionality of Lantronix…
    CVE-2021-21889 (CVSS 9.9) — A stack-based buffer overflow vulnerability exists in the Web Manager Ping functionality of Lantronix PremierW…
    CVE-2021-21888 (CVSS 9.1) — An OS command injection vulnerability exists in the Web Manager SslGenerateCertificate functionality of Lantro…
    CVE-2021-21887 (CVSS 9.1) — A stack-based buffer overflow vulnerability exists in the Web Manager SslGenerateCSR functionality of Lantroni…
    CVE-2021-21885 (CVSS 7.2) — A directory traversal vulnerability exists in the Web Manager FsMove functionality of Lantronix PremierWave 20…
    CVE-2021-21886 (CVSS 4.3) — A directory traversal vulnerability exists in the Web Manager FSBrowsePage functionality of Lantronix PremierW…

    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