Vulnerability · Published Jun 7, 2021 · Assigned by NEC

CVE-2021-20698

Critical 9.8

In plain English

A critical-severity security flaw in C431 from Sharp Display Solutions, Ltd.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 74% of all known vulnerabilities).

Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)1.5%top 26.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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 to obtain root privileges and execute remote code by sending unintended parameters that contain specific characters in http request.

Affected products (as reported)

VendorProductVersions
Sharp Display Solutions, Ltd. UN462A 0 – through R1.300
Sharp Display Solutions, Ltd. UN462VA 0 – through R1.300
Sharp Display Solutions, Ltd. UN492S 0 – through R1.300
Sharp Display Solutions, Ltd. UN492VS 0 – through R1.300
Sharp Display Solutions, Ltd. UN552A 0 – through R1.300
Sharp Display Solutions, Ltd. UN552S 0 – through R1.300
Sharp Display Solutions, Ltd. UN552VS 0 – through R1.300
Sharp Display Solutions, Ltd. UN552 0 – through R1.300
Sharp Display Solutions, Ltd. UN552V 0 – through R1.300
Sharp Display Solutions, Ltd. UX552S 0 – through R1.300
Sharp Display Solutions, Ltd. UX552 0 – through R1.300
Sharp Display Solutions, Ltd. V864Q 0 – through R2.000
Sharp Display Solutions, Ltd. C861Q 0 – through R2.000
Sharp Display Solutions, Ltd. P754Q 0 – through R2.000
Sharp Display Solutions, Ltd. V754Q 0 – through R2.000
Sharp Display Solutions, Ltd. C751Q 0 – through R2.000
Sharp Display Solutions, Ltd. V984Q 0 – through R2.000
Sharp Display Solutions, Ltd. C981Q 0 – through R2.000
Sharp Display Solutions, Ltd. P654Q 0 – through R2.000
Sharp Display Solutions, Ltd. V654Q 0 – through R2.000
Sharp Display Solutions, Ltd. C651Q 0 – through R2.000
Sharp Display Solutions, Ltd. V554Q 0 – through R2.000
Sharp Display Solutions, Ltd. C501 0 – through R2.000
Sharp Display Solutions, Ltd. C551 0 – through R2.000
Sharp Display Solutions, Ltd. C431 0 – through R2.000
Sharp Display Solutions, Ltd. P404 0 – through R3.201
Sharp Display Solutions, Ltd. P484 0 – through R3.201
Sharp Display Solutions, Ltd. P554 0 – through R3.201
Sharp Display Solutions, Ltd. V404 0 – through R3.201
Sharp Display Solutions, Ltd. V484 0 – through R3.201

References