Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-20843

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
24/11/2021
Last modified:
30/11/2021

Description

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.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.40 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope (S): Changed
Confidentiality (C): Low
Integrity (I): Low
Availability (A): None

Base Score 3.x
5.40
Severity 3.x
MEDIUM
Vector 2.0
AV:N/AC:M/Au:S/C:N/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 3.50 LOW
Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): Single
Confidentiality (C): None
Integrity (I): Physical
Availability (A): None

Base Score 2.0
3.50
Severity 2.0
LOW

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:yamaha:rtx830_firmware:*:*:*:*:*:*:*:* 15.02.17 (including)
cpe:2.3:h:yamaha:rtx830:-:*:*:*:*:*:*:*
cpe:2.3:o:yamaha:nvr510_firmware:*:*:*:*:*:*:*:* 15.01.18 (including)
cpe:2.3:h:yamaha:nvr510:-:*:*:*:*:*:*:*
cpe:2.3:o:yamaha:nvr700w_firmware:*:*:*:*:*:*:*:* 15.00.19 (including)
cpe:2.3:h:yamaha:nvr700w:-:*:*:*:*:*:*:*
cpe:2.3:o:yamaha:rtx1210_firmware:*:*:*:*:*:*:*:* 14.01.38 (including)
cpe:2.3:h:yamaha:rtx1210:-:*:*:*:*:*:*:*
cpe:2.3:o:ntt-west:biz_box_rtx830_firmware:*:*:*:*:*:*:*:* 15.02.17 (including)
cpe:2.3:h:ntt-west:biz_box_rtx830:-:*:*:*:*:*:*:*
cpe:2.3:o:ntt-west:biz_box_nvr510_firmware:*:*:*:*:*:*:*:* 15.01.18 (excluding)
cpe:2.3:h:ntt-west:biz_box_nvr510:-:*:*:*:*:*:*:*
cpe:2.3:o:ntt-west:biz_box_nvr700w_firmware:*:*:*:*:*:*:*:* 15.00.19 (including)
cpe:2.3:h:ntt-west:biz_box_nvr700w:-:*:*:*:*:*:*:*
cpe:2.3:o:ntt-west:biz_box_rtx1210_firmware:*:*:*:*:*:*:*:* 14.01.38 (including)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools