CRITICAL · 9.8

CVE-2021-20698

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...

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

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
Sharp-Nec-DisplaysUn462A Firmware<= r1.300
Sharp-Nec-DisplaysUn462A-
Sharp-Nec-DisplaysUn462Va Firmware<= r1.300
Sharp-Nec-DisplaysUn462Va-
Sharp-Nec-DisplaysUn492S Firmware<= r1.300
Sharp-Nec-DisplaysUn492S-
Sharp-Nec-DisplaysUn492Vs Firmware<= r1.300
Sharp-Nec-DisplaysUn492Vs-
Sharp-Nec-DisplaysUn552A Firmware<= r1.300
Sharp-Nec-DisplaysUn552A-
Sharp-Nec-DisplaysUn552S Firmware<= r1.300
Sharp-Nec-DisplaysUn552S-
Sharp-Nec-DisplaysUn552Vs Firmware<= r1.300
Sharp-Nec-DisplaysUn552Vs-
Sharp-Nec-DisplaysUn552 Firmware<= r1.300
Sharp-Nec-DisplaysUn552-
Sharp-Nec-DisplaysUn552V Firmware<= r1.300
Sharp-Nec-DisplaysUn552V-
Sharp-Nec-DisplaysUx552S Firmware<= r1.300
Sharp-Nec-DisplaysUx552S-

References

FAQ

What is CVE-2021-20698?

CVE-2021-20698 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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...

How severe is CVE-2021-20698?

CVE-2021-20698 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-20698?

Check the references section above for vendor advisories and patch information. Affected products include: Sharp-Nec-Displays Un462A Firmware, Sharp-Nec-Displays Un462A, Sharp-Nec-Displays Un462Va Firmware, Sharp-Nec-Displays Un462Va, Sharp-Nec-Displays Un492S Firmware.