CVE-2021-20699
Quick assessment
Affected
Sharp Display Solutions, Ltd. UN462A
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Sharp NEC Displays是美国Sharp NEC公司的一款大屏幕显示器。Sharp NEC Displays是日本Sharp公司的显示器提供一个显示功能 Sharp NEC Displays 存在命令注入漏洞，该漏洞源于外部输入数据构造可执行命令过程中，产品未正确过滤其中的特殊元素。攻击者可利用该漏洞执行非法命令。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-20699
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Sharp NEC Displays ((UN462A R1.300 and prior to it, UN462VA R1.300 and prior to it, UN492S R1.300 and prior to it, UN492VS R1.300 and prior to it, UN552A R1.300 and prior to it, UN552S R1.300 and prior to it, UN552VS R1.300 and prior to it, UN552 R1.300 and prior to it, UN552V R1.300 and prior to it, UX552S R1.300 and prior to it, UX552 R1.300 and prior to it, V864Q R2.000 and prior to it, C861Q R2.000 and prior to it, P754Q R2.000 and prior to it, V754Q R2.000 and prior to it, C751Q R2.000 and prior to it, V984Q R2.000 and prior to it, C981Q R2.000 and prior to it, P654Q R2.000 and prior to it, V654Q R2.000 and prior to it, C651Q R2.000 and prior to it, V554Q R2.000 and prior to it, P404 R3.200 and prior to it, P484 R3.200 and prior to it, P554 R3.200 and prior to it, V404 R3.200 and prior to it, V484 R3.200 and prior to it, V554 R3.200 and prior to it, V404-T R3.200 and prior to it, V484-T R3.200 and prior to it, V554-T R3.200 and prior to it, C501 R2.000 and prior to it, C551 R2.000 and prior to it, C431 R2.000 and prior to it) allows an attacker a buffer overflow and to execute remote code by sending long parameters that contains specific characters in http request.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Sharp NEC Displays和Sharp NEC Displays 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sharp NEC Displays是美国Sharp NEC公司的一款大屏幕显示器。Sharp NEC Displays是日本Sharp公司的显示器提供一个显示功能 Sharp NEC Displays 存在命令注入漏洞，该漏洞源于外部输入数据构造可执行命令过程中，产品未正确过滤其中的特殊元素。攻击者可利用该漏洞执行非法命令。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2021-20699
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Other References for CVE-2021-20699 (1)
IV. Related Vulnerabilities
V. Comments for CVE-2021-20699
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