CVE-2021-20843
CVSS V2 Low 3.5
CVSS V3 Medium 5.4
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.
Overview
- CVE ID
- CVE-2021-20843
- Assigner
- vultures@jpcert.or.jp
- Vulnerability Status
- Analyzed
- Published Version
- 2021-11-24T16:15:13
- Last Modified Date
- 2021-11-30T07:11:11
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:yamaha:rtx830_firmware:*:*:*:*:*:*:*:* | 1 | OR | 15.02.17 | |
| cpe:2.3:h:yamaha:rtx830:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:yamaha:nvr510_firmware:*:*:*:*:*:*:*:* | 1 | OR | 15.01.18 | |
| cpe:2.3:h:yamaha:nvr510:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:yamaha:nvr700w_firmware:*:*:*:*:*:*:*:* | 1 | OR | 15.00.19 | |
| cpe:2.3:h:yamaha:nvr700w:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:yamaha:rtx1210_firmware:*:*:*:*:*:*:*:* | 1 | OR | 14.01.38 | |
| cpe:2.3:h:yamaha:rtx1210:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:ntt-west:biz_box_rtx830_firmware:*:*:*:*:*:*:*:* | 1 | OR | 15.02.17 | |
| cpe:2.3:h:ntt-west:biz_box_rtx830:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:ntt-west:biz_box_nvr510_firmware:*:*:*:*:*:*:*:* | 1 | OR | 15.01.18 | |
| cpe:2.3:h:ntt-west:biz_box_nvr510:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:ntt-west:biz_box_nvr700w_firmware:*:*:*:*:*:*:*:* | 1 | OR | 15.00.19 | |
| cpe:2.3:h:ntt-west:biz_box_nvr700w:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:ntt-west:biz_box_rtx1210_firmware:*:*:*:*:*:*:*:* | 1 | OR | 14.01.38 | |
| cpe:2.3:h:ntt-west:biz_box_rtx1210:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:S/C:N/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- SINGLE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 3.5
- Severity
- LOW
- Exploitability Score
- 6.8
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality Impact
- LOW
- Availability Impact
- NONE
- Base Score
- 5.4
- Base Severity
- MEDIUM
- Exploitability Score
- 2.3
- Impact Score
- 2.7
References
| Reference URL | Reference Tags |
|---|---|
| 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 |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-20843 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20843 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:44:33 | Added to TrackCVE | |||
| 2022-12-05 15:09:14 | 2021-11-24T16:15Z | 2021-11-24T16:15:13 | CVE Published Date | updated |
| 2022-12-05 15:09:14 | 2021-11-30T07:11:11 | CVE Modified Date | updated | |
| 2022-12-05 15:09:14 | Analyzed | Vulnerability Status | updated |