CVE-2021-20843: Medium severity ntt-west biz box rtx830 firmware vulnerability
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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-20843?
The severity of CVE-2021-20843 is medium with a severity value of 5.4.
How does CVE-2021-20843 affect Yamaha RTX830?
Yamaha RTX830 firmware versions up to and including 15.02.17 are affected by CVE-2021-20843.
How does CVE-2021-20843 affect Yamaha NVR510?
Yamaha NVR510 firmware versions up to and including 15.01.18 are affected by CVE-2021-20843.
How does CVE-2021-20843 affect Yamaha NVR700W?
Yamaha NVR700W firmware versions up to and including 15.00.19 are affected by CVE-2021-20843.
How does CVE-2021-20843 affect Yamaha RTX1210?
Yamaha RTX1210 firmware versions up to and including 14.01.38 are affected by CVE-2021-20843.
How can an attacker exploit CVE-2021-20843?
A remote authenticated attacker can exploit CVE-2021-20843 to alter the settings of the affected product via a specially crafted web request.
Are there any official references for CVE-2021-20843?
Yes, you can find official references for CVE-2021-20843 at the following links: [1] http://www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVNVU91161784.html [2] https://business.ntt-east.co.jp/topics/2021/11_09.html [3] https://jvn.jp/en/vu/JVNVU91161784/index.html