CVSS 3.1
5.7 mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:NCVE-2021-20844
Medium (5.7). EPSS 1.0% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 1.0% chance of exploitation in the next 30 days; higher than 61% of CVEs (scores of 2026-10-31)
- CWE
- CWE-116
- Published
- Modified
- Record from
- the NVD, synced
Affected
- ntt-west:biz_box_nvr510_firmware
- ntt-west:biz_box_nvr700w_firmware
- ntt-west:biz_box_rtx1210_firmware
- ntt-west:biz_box_rtx830_firmware
- yamaha:nvr510_firmware
- yamaha:nvr700w_firmware
- yamaha:rtx1210_firmware
- yamaha:rtx830_firmware