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CVE-2021-20843 Details
Description
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.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://business.ntt-east.co.jp/topics/2021/11_09.html | CVE | MitigationVendor Advisory |
| https://jvn.jp/en/vu/JVNVU91161784/index.html | CVE | MitigationThird Party Advisory |
| https://www.ntt-west.co.jp/smb/kiki_info/info/211109.html | CVE | MitigationVendor Advisory |
| http://www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVNVU91161784.html | CVE | MitigationVendor Advisory |
| https://business.ntt-east.co.jp/topics/2021/11_09.html | [email protected] | MitigationVendor Advisory |
| https://jvn.jp/en/vu/JVNVU91161784/index.html | [email protected] | MitigationThird Party Advisory |
| https://www.ntt-west.co.jp/smb/kiki_info/info/211109.html | [email protected] | MitigationVendor Advisory |
| http://www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVNVU91161784.html | [email protected] | MitigationVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-829 | Inclusion of Functionality from Untrusted Control Sphere | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| yamaha rtx830 firmware | <= 15.02.17 |
CPE
Remediation
| |
| yamaha rtx830 | All versions |
CPE
Remediation
| |
| yamaha nvr510 firmware | <= 15.01.18 |
CPE
Remediation
| |
| yamaha nvr510 | All versions |
CPE
Remediation
| |
| yamaha nvr700w firmware | <= 15.00.19 |
CPE
Remediation
| |
| yamaha nvr700w | All versions |
CPE
Remediation
| |
| yamaha rtx1210 firmware | <= 14.01.38 |
CPE
Remediation
| |
| yamaha rtx1210 | All versions |
CPE
Remediation
| |
| ntt-west biz box rtx830 firmware | <= 15.02.17 |
CPE
Remediation
| |
| ntt-west biz box rtx830 | All versions |
CPE
Remediation
| |
| ntt-west biz box nvr510 firmware | < 15.01.18 |
CPE
Remediation
| |
| ntt-west biz box nvr510 | All versions |
CPE
Remediation
| |
| ntt-west biz box nvr700w firmware | <= 15.00.19 |
CPE
Remediation
| |
| ntt-west biz box nvr700w | All versions |
CPE
Remediation
| |
| ntt-west biz box rtx1210 firmware | <= 14.01.38 |
CPE
Remediation
| |
| ntt-west biz box rtx1210 | All versions |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Nov 30, 2021 | Initial Analysis | [email protected] |