Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
VOLERION
Volerion Security Research

NOT DEFERRED DATABASE

VULNERABILITIES

CVE-2021-20844 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.7 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N

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.

URLSource(s)Tag(s)
https://business.ntt-east.co.jp/topics/2021/11_09.html CVEMitigationVendor Advisory
https://jvn.jp/en/vu/JVNVU91161784/index.html CVEMitigationThird Party Advisory
https://www.ntt-west.co.jp/smb/kiki_info/info/211109.html CVEMitigationVendor Advisory
http://www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVNVU91161784.html CVEMitigationVendor Advisory
https://business.ntt-east.co.jp/topics/2021/11_09.html [email protected]MitigationVendor Advisory

see all 8 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-116Improper Encoding or Escaping of Output[email protected]

Affected Products

ProductVersions

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-20844
NVD Published Date:
Nov 24, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-20844 Details - Not Deferred