CVEvulnerability
CVE-2021-20844
5.7 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-11-24
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.7 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 3.5 LOW — AV:N/AC:M/Au:S/C:P/I:N/A:N
- Weaknesses
- CWE-116
Description
Improper neutralization of HTTP request headers for scripting syntax 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 obtain sensitive information via a specially crafted web page.
Affected configurations
• yamaha rtx830 firmware (<= 15.02.17)
• yamaha nvr510 firmware (<= 15.01.18)
• yamaha nvr700w firmware (<= 15.00.19)
• yamaha rtx1210 firmware (<= 14.01.38)
• ntt-west biz box rtx830 firmware (<= 15.02.17)
• ntt-west biz box nvr510 firmware (< 15.01.18)
• ntt-west biz box nvr700w firmware (<= 15.00.19)
• ntt-west biz box rtx1210 firmware (<= 14.01.38)
Related
Weakness · CWE (1)
- CWE-116 Improper Encoding or Escaping of Output weakness
References
- http://www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVNVU91161784.html Mitigation, Vendor Advisory
- https://business.ntt-east.co.jp/topics/2021/11_09.html Mitigation, Vendor Advisory
- https://jvn.jp/en/vu/JVNVU91161784/index.html Mitigation, Third Party Advisory
- https://www.ntt-west.co.jp/smb/kiki_info/info/211109.html Mitigation, Vendor Advisory
- http://www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVNVU91161784.html Mitigation, Vendor Advisory
- https://business.ntt-east.co.jp/topics/2021/11_09.html Mitigation, Vendor Advisory
- https://jvn.jp/en/vu/JVNVU91161784/index.html Mitigation, Third Party Advisory
- https://www.ntt-west.co.jp/smb/kiki_info/info/211109.html Mitigation, Vendor Advisory