CVE-2021-20699
Severity Score
9.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
Sharp NEC Displays ((UN462A R1.300 y anteriores, UN462VA R1.300 y anteriores, UN492S R1.300 y anteriores, UN492VS versiones R1.300 y anteriores, UN552A versiones R1.300 y anteriores, UN552S versiones R1.300 y anteriores, UN552VS versiones R1.300 y anteriores, UN552 versiones R1.300 y anteriores, UN552V versiones R1.300 y anteriores, UN552V versiones R1. 300 y anteriores, UX552S versiones R1.300 y anteriores, UX552 versiones R1.300 y anteriores, V864Q versiones R2.000 y anteriores, C861Q versiones R2.000 y anteriores, P754Q versiones R2.000 y anteriores, V754Q versiones R2.000 y anteriores, C751Q versiones R2.000 y anteriores, V984Q versiones R2.000 y anteriores, C981Q versiones R2.000 y anteriores, P654Q versiones R2. 000 y anteriores, V654Q versiones R2.000 y anteriores, C651Q versiones R2.000 y anteriores, V554Q versiones R2.000 y anteriores, P404 versiones R3.200 y anteriores, P484 versiones R3.200 y anteriores, P554 versiones R3.200 y anteriores, V404 versiones R3.200 y anteriores, V484 versiones R3.200 y anteriores, V554 versiones R3.200 y anteriores, V404-T versiones R3. 200 y anteriores, V484-T versiones R3.200 y anteriores, V554-T versiones R3.200 y anteriores, C501 versiones R2.000 y anteriores, C551 versiones R2.000 y anteriores, C431 versiones R2.000 y anteriores) permite a un atacante un desbordamiento de búfer y ejecutar código remoto mediante el envío de parámetros largos que contienen caracteres específicos en la petición http
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2020-12-17 CVE Reserved
- 2021-06-07 CVE Published
- 2024-02-21 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')
- CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CAPEC
References (1)
| URL | Tag | Source |
|---|---|---|
| https://www.sharp-nec-displays.com/global/support/info/A5-1_vulnerability.html | X_refsource_misc |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Sharp-nec-displays Search vendor "Sharp-nec-displays" | Un462a Firmware Search vendor "Sharp-nec-displays" for product "Un462a Firmware" | <= r1.300 Search vendor "Sharp-nec-displays" for product "Un462a Firmware" and version " <= r1.300" | - |
Affected
| in | Sharp-nec-displays Search vendor "Sharp-nec-displays" | Un462a Search vendor "Sharp-nec-displays" for product "Un462a" | - | - |
Safe
|
| Sharp-nec-displays Search vendor "Sharp-nec-displays" | Un462va Firmware Search vendor "Sharp-nec-displays" for product "Un462va Firmware" | <= r1.300 Search vendor "Sharp-nec-displays" for product "Un462va Firmware" and version " <= r1.300" | - |
Affected
| in | Sharp-nec-displays Search vendor "Sharp-nec-displays" | Un462va Search vendor "Sharp-nec-displays" for product "Un462va" | - | - |
Safe
|
| Sharp-nec-displays Search vendor "Sharp-nec-displays" | Un492s Firmware Search vendor "Sharp-nec-displays" for product "Un492s Firmware" | <= r1.300 Search vendor "Sharp-nec-displays" for product "Un492s Firmware" and version " <= r1.300" | - |
Affected
| in | Sharp-nec-displays Search vendor "Sharp-nec-displays" | Un492s Search vendor "Sharp-nec-displays" for product "Un492s" | - | - |
Safe
|
| Sharp-nec-displays Search vendor "Sharp-nec-displays" | Un492vs Firmware Search vendor "Sharp-nec-displays" for product "Un492vs Firmware" | <= r1.300 Search vendor "Sharp-nec-displays" for product "Un492vs Firmware" and version " <= r1.300" | - |
Affected
| in | Sharp-nec-displays Search vendor "Sharp-nec-displays" | Un492vs Search vendor "Sharp-nec-displays" for product "Un492vs" | - | - |
Safe
|
| Sharp-nec-displays Search vendor "Sharp-nec-displays" | Un552a Firmware Search vendor "Sharp-nec-displays" for product "Un552a Firmware" | <= r1.300 Search vendor "Sharp-nec-displays" for product "Un552a Firmware" and version " <= r1.300" | - |
Affected
| in | Sharp-nec-displays Search vendor "Sharp-nec-displays" | Un552a Search vendor "Sharp-nec-displays" for product "Un552a" | - | - |
Safe
|
| Sharp-nec-displays Search vendor "Sharp-nec-displays" | Un552s Firmware Search vendor "Sharp-nec-displays" for product "Un552s Firmware" | <= r1.300 Search vendor "Sharp-nec-displays" for product "Un552s Firmware" and version " <= r1.300" | - |
Affected
| in | Sharp-nec-displays Search vendor "Sharp-nec-displays" | Un552s Search vendor "Sharp-nec-displays" for product "Un552s" | - | - |
Safe
|
| Sharp-nec-displays Search vendor "Sharp-nec-displays" | Un552vs Firmware Search vendor "Sharp-nec-displays" for product "Un552vs Firmware" | <= r1.300 Search vendor "Sharp-nec-displays" for product "Un552vs Firmware" and version " <= r1.300" | - |
Affected
| in | Sharp-nec-displays Search vendor "Sharp-nec-displays" | Un552vs Search vendor "Sharp-nec-displays" for product "Un552vs" | - | - |
Safe
|
| Sharp-nec-displays Search vendor "Sharp-nec-displays" | Un552 Firmware Search vendor "Sharp-nec-displays" for product "Un552 Firmware" | <= r1.300 Search vendor "Sharp-nec-displays" for product "Un552 Firmware" and version " <= r1.300" | - |
Affected
| in | Sharp-nec-displays Search vendor "Sharp-nec-displays" | Un552 Search vendor "Sharp-nec-displays" for product "Un552" | - | - |
Safe
|
| Sharp-nec-displays Search vendor "Sharp-nec-displays" | Un552v Firmware Search vendor "Sharp-nec-displays" for product "Un552v Firmware" | <= r1.300 Search vendor "Sharp-nec-displays" for product "Un552v Firmware" and version " <= r1.300" | - |
Affected
| in | Sharp-nec-displays Search vendor "Sharp-nec-displays" | Un552v Search vendor "Sharp-nec-displays" for product "Un552v" | - | - |
Safe
|
| Sharp-nec-displays Search vendor "Sharp-nec-displays" | Ux552s Firmware Search vendor "Sharp-nec-displays" for product "Ux552s Firmware" | <= r1.300 Search vendor "Sharp-nec-displays" for product "Ux552s Firmware" and version " <= r1.300" | - |
Affected
| in | Sharp-nec-displays Search vendor "Sharp-nec-displays" | Ux552s Search vendor "Sharp-nec-displays" for product "Ux552s" | - | - |
Safe
|
| Sharp-nec-displays Search vendor "Sharp-nec-displays" | Ux552 Firmware Search vendor "Sharp-nec-displays" for product "Ux552 Firmware" | <= r1.300 Search vendor "Sharp-nec-displays" for product "Ux552 Firmware" and version " <= r1.300" | - |
Affected
| in | Sharp-nec-displays Search vendor "Sharp-nec-displays" | Ux552 Search vendor "Sharp-nec-displays" for product "Ux552" | - | - |
Safe
|
| Sharp-nec-displays Search vendor "Sharp-nec-displays" | V864q Firmware Search vendor "Sharp-nec-displays" for product "V864q Firmware" | <= r2.000 Search vendor "Sharp-nec-displays" for product "V864q Firmware" and version " <= r2.000" | - |
Affected
| in | Sharp-nec-displays Search vendor "Sharp-nec-displays" | V864q Search vendor "Sharp-nec-displays" for product "V864q" | - | - |
Safe
|
| Sharp-nec-displays Search vendor "Sharp-nec-displays" | C861q Firmware Search vendor "Sharp-nec-displays" for product "C861q Firmware" | <= r2.000 Search vendor "Sharp-nec-displays" for product "C861q Firmware" and version " <= r2.000" | - |
Affected
| in | Sharp-nec-displays Search vendor "Sharp-nec-displays" | C861q Search vendor "Sharp-nec-displays" for product "C861q" | - | - |
Safe
|
| Sharp-nec-displays Search vendor "Sharp-nec-displays" | P754q Firmware Search vendor "Sharp-nec-displays" for product "P754q Firmware" | <= r2.000 Search vendor "Sharp-nec-displays" for product "P754q Firmware" and version " <= r2.000" | - |
Affected
| in | Sharp-nec-displays Search vendor "Sharp-nec-displays" | P754q Search vendor "Sharp-nec-displays" for product "P754q" | - | - |
Safe
|
| Sharp-nec-displays Search vendor "Sharp-nec-displays" | V754q Firmware Search vendor "Sharp-nec-displays" for product "V754q Firmware" | <= r2.000 Search vendor "Sharp-nec-displays" for product "V754q Firmware" and version " <= r2.000" | - |
Affected
| in | Sharp-nec-displays Search vendor "Sharp-nec-displays" | V754q Search vendor "Sharp-nec-displays" for product "V754q" | - | - |
Safe
|
| Sharp-nec-displays Search vendor "Sharp-nec-displays" | C751q Firmware Search vendor "Sharp-nec-displays" for product "C751q Firmware" | <= r2.000 Search vendor "Sharp-nec-displays" for product "C751q Firmware" and version " <= r2.000" | - |
Affected
| in | Sharp-nec-displays Search vendor "Sharp-nec-displays" | C751q Search vendor "Sharp-nec-displays" for product "C751q" | - | - |
Safe
|
| Sharp-nec-displays Search vendor "Sharp-nec-displays" | V984q Firmware Search vendor "Sharp-nec-displays" for product "V984q Firmware" | <= r2.000 Search vendor "Sharp-nec-displays" for product "V984q Firmware" and version " <= r2.000" | - |
Affected
| in | Sharp-nec-displays Search vendor "Sharp-nec-displays" | V984q Search vendor "Sharp-nec-displays" for product "V984q" | - | - |
Safe
|
| Sharp-nec-displays Search vendor "Sharp-nec-displays" | C981q Firmware Search vendor "Sharp-nec-displays" for product "C981q Firmware" | <= r2.000 Search vendor "Sharp-nec-displays" for product "C981q Firmware" and version " <= r2.000" | - |
Affected
| in | Sharp-nec-displays Search vendor "Sharp-nec-displays" | C981q Search vendor "Sharp-nec-displays" for product "C981q" | - | - |
Safe
|
| Sharp-nec-displays Search vendor "Sharp-nec-displays" | P654q Firmware Search vendor "Sharp-nec-displays" for product "P654q Firmware" | <= r2.000 Search vendor "Sharp-nec-displays" for product "P654q Firmware" and version " <= r2.000" | - |
Affected
| in | Sharp-nec-displays Search vendor "Sharp-nec-displays" | P654q Search vendor "Sharp-nec-displays" for product "P654q" | - | - |
Safe
|
| Sharp-nec-displays Search vendor "Sharp-nec-displays" | V654q Firmware Search vendor "Sharp-nec-displays" for product "V654q Firmware" | <= r2.000 Search vendor "Sharp-nec-displays" for product "V654q Firmware" and version " <= r2.000" | - |
Affected
| in | Sharp-nec-displays Search vendor "Sharp-nec-displays" | V654q Search vendor "Sharp-nec-displays" for product "V654q" | - | - |
Safe
|
| Sharp-nec-displays Search vendor "Sharp-nec-displays" | C651q Firmware Search vendor "Sharp-nec-displays" for product "C651q Firmware" | <= r2.000 Search vendor "Sharp-nec-displays" for product "C651q Firmware" and version " <= r2.000" | - |
Affected
| in | Sharp-nec-displays Search vendor "Sharp-nec-displays" | C651q Search vendor "Sharp-nec-displays" for product "C651q" | - | - |
Safe
|
| Sharp-nec-displays Search vendor "Sharp-nec-displays" | V554q Firmware Search vendor "Sharp-nec-displays" for product "V554q Firmware" | <= r2.000 Search vendor "Sharp-nec-displays" for product "V554q Firmware" and version " <= r2.000" | - |
Affected
| in | Sharp-nec-displays Search vendor "Sharp-nec-displays" | V554q Search vendor "Sharp-nec-displays" for product "V554q" | - | - |
Safe
|
| Sharp-nec-displays Search vendor "Sharp-nec-displays" | P404 Firmware Search vendor "Sharp-nec-displays" for product "P404 Firmware" | <= r3.201 Search vendor "Sharp-nec-displays" for product "P404 Firmware" and version " <= r3.201" | - |
Affected
| in | Sharp-nec-displays Search vendor "Sharp-nec-displays" | P404 Search vendor "Sharp-nec-displays" for product "P404" | - | - |
Safe
|
| Sharp-nec-displays Search vendor "Sharp-nec-displays" | P484 Firmware Search vendor "Sharp-nec-displays" for product "P484 Firmware" | <= r3.201 Search vendor "Sharp-nec-displays" for product "P484 Firmware" and version " <= r3.201" | - |
Affected
| in | Sharp-nec-displays Search vendor "Sharp-nec-displays" | P484 Search vendor "Sharp-nec-displays" for product "P484" | - | - |
Safe
|
| Sharp-nec-displays Search vendor "Sharp-nec-displays" | P554 Firmware Search vendor "Sharp-nec-displays" for product "P554 Firmware" | <= r3.201 Search vendor "Sharp-nec-displays" for product "P554 Firmware" and version " <= r3.201" | - |
Affected
| in | Sharp-nec-displays Search vendor "Sharp-nec-displays" | P554 Search vendor "Sharp-nec-displays" for product "P554" | - | - |
Safe
|
| Sharp-nec-displays Search vendor "Sharp-nec-displays" | V404 Firmware Search vendor "Sharp-nec-displays" for product "V404 Firmware" | <= r3.201 Search vendor "Sharp-nec-displays" for product "V404 Firmware" and version " <= r3.201" | - |
Affected
| in | Sharp-nec-displays Search vendor "Sharp-nec-displays" | V404 Search vendor "Sharp-nec-displays" for product "V404" | - | - |
Safe
|
| Sharp-nec-displays Search vendor "Sharp-nec-displays" | V484 Firmware Search vendor "Sharp-nec-displays" for product "V484 Firmware" | <= r3.201 Search vendor "Sharp-nec-displays" for product "V484 Firmware" and version " <= r3.201" | - |
Affected
| in | Sharp-nec-displays Search vendor "Sharp-nec-displays" | V484 Search vendor "Sharp-nec-displays" for product "V484" | - | - |
Safe
|
| Sharp-nec-displays Search vendor "Sharp-nec-displays" | V554 Firmware Search vendor "Sharp-nec-displays" for product "V554 Firmware" | <= r3.201 Search vendor "Sharp-nec-displays" for product "V554 Firmware" and version " <= r3.201" | - |
Affected
| in | Sharp-nec-displays Search vendor "Sharp-nec-displays" | V554 Search vendor "Sharp-nec-displays" for product "V554" | - | - |
Safe
|
| Sharp-nec-displays Search vendor "Sharp-nec-displays" | V404-t Firmware Search vendor "Sharp-nec-displays" for product "V404-t Firmware" | <= r3.201 Search vendor "Sharp-nec-displays" for product "V404-t Firmware" and version " <= r3.201" | - |
Affected
| in | Sharp-nec-displays Search vendor "Sharp-nec-displays" | V404-t Search vendor "Sharp-nec-displays" for product "V404-t" | - | - |
Safe
|
| Sharp-nec-displays Search vendor "Sharp-nec-displays" | V484-t Firmware Search vendor "Sharp-nec-displays" for product "V484-t Firmware" | <= r3.201 Search vendor "Sharp-nec-displays" for product "V484-t Firmware" and version " <= r3.201" | - |
Affected
| in | Sharp-nec-displays Search vendor "Sharp-nec-displays" | V484-t Search vendor "Sharp-nec-displays" for product "V484-t" | - | - |
Safe
|
| Sharp-nec-displays Search vendor "Sharp-nec-displays" | V554-t Firmware Search vendor "Sharp-nec-displays" for product "V554-t Firmware" | <= r3.201 Search vendor "Sharp-nec-displays" for product "V554-t Firmware" and version " <= r3.201" | - |
Affected
| in | Sharp-nec-displays Search vendor "Sharp-nec-displays" | V554-t Search vendor "Sharp-nec-displays" for product "V554-t" | - | - |
Safe
|
| Sharp-nec-displays Search vendor "Sharp-nec-displays" | C501 Firmware Search vendor "Sharp-nec-displays" for product "C501 Firmware" | <= r2.000 Search vendor "Sharp-nec-displays" for product "C501 Firmware" and version " <= r2.000" | - |
Affected
| in | Sharp-nec-displays Search vendor "Sharp-nec-displays" | C501 Search vendor "Sharp-nec-displays" for product "C501" | - | - |
Safe
|
| Sharp-nec-displays Search vendor "Sharp-nec-displays" | C551 Firmware Search vendor "Sharp-nec-displays" for product "C551 Firmware" | <= r2.000 Search vendor "Sharp-nec-displays" for product "C551 Firmware" and version " <= r2.000" | - |
Affected
| in | Sharp-nec-displays Search vendor "Sharp-nec-displays" | C551 Search vendor "Sharp-nec-displays" for product "C551" | - | - |
Safe
|
| Sharp-nec-displays Search vendor "Sharp-nec-displays" | C431 Firmware Search vendor "Sharp-nec-displays" for product "C431 Firmware" | <= r2.000 Search vendor "Sharp-nec-displays" for product "C431 Firmware" and version " <= r2.000" | - |
Affected
| in | Sharp-nec-displays Search vendor "Sharp-nec-displays" | C431 Search vendor "Sharp-nec-displays" for product "C431" | - | - |
Safe
|