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Vulnerability · Published Nov 24, 2021 · Assigned by jpcert

CVE-2021-20844

Medium 5.7

In plain English

A medium-severity security flaw in RTX830, NVR510, NVR700W, RTX1210 from Yamaha Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 62% of all known vulnerabilities).

Severity (CVSS NVD)5.7Medium
Exploit odds (30 days)1.0%top 38.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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 products (as reported)

VendorProductVersions
Yamaha Corporation RTX830, NVR510, NVR700W, RTX1210 RTX830 Rev.15.02.17 and earlier, NVR510 Rev.15.01.18 and earlier, NVR700W Rev.15.00.19 and earlier, RTX1210 Rev.14.01.38 and earlier

References