CVE-2021-47781

Cmder Console Emulator 1.3.18 contains a buffer overflow vulnerability that allows attackers to trigger a denial of service condition through a maliciously crafted .cmd file. Attackers can create a specially constructed .cmd file with repeated characters to overwhelm the console emulator's buffer and crash the application.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/cmderdev/cmder
https://www.exploit-db.com/exploits/50401

Configurations

No configuration.

History

15 Apr 2026, 00:35

Type	Values Removed	Values Added
Summary		(es) Cmder Console Emulator 1.3.18 contiene una vulnerabilidad de desbordamiento de búfer que permite a los atacantes desencadenar una condición de denegación de servicio a través de un archivo .cmd creado maliciosamente. Los atacantes pueden crear un archivo .cmd especialmente construido con caracteres repetidos para desbordar el búfer del emulador de consola y bloquear la aplicación.

15 Jan 2026, 16:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-01-15 16:16

Updated : 2026-06-17 04:18

NVD link : CVE-2021-47781

Mitre link : CVE-2021-47781

CVE.ORG link : CVE-2021-47781

JSON object : View

Products Affected

No product.

CWE

CWE-787

Out-of-bounds Write

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