CVE-2021-20843

    Dashboard / Vulnerabilities / CVE-2021-20843

    CVE-2021-20843

    Published: 24 Nov 2021Last Modified: 10 Mar 2026

    Summary:

    Details: Cross-site script inclusion vulnerability in the Web GUI of RTX830 Rev.15.02.17 and earlier, NVR510 Rev.15.01.18 and earlier, NVR700W Rev.15.00.19 and earlier, and RTX1210 Rev.14.01.38 and earlier allows a remote authenticated attacker to alter the settings of the product via a specially crafted web page.

    References: , http://www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVNVU91161784.html, https://business.ntt-east.co.jp/topics/2021/11_09.html, https://jvn.jp/en/vu/JVNVU91161784/index.html, https://www.ntt-west.co.jp/smb/kiki_info/info/211109.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    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
    CVE-2021-20843 | CVE-DB