CVE-2021-47781

Cmder Console Emulator 1.3.18 - 'Cmder.exe' Denial of Service (PoC)

Published Jan 15, 2026 CVSS 4.0 · 6.7 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:cmder:cmder:1.3.18:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Cmder
Cmder cmder
Vendors & Products Cmder
Cmder cmder
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Cmder Console Emulator 1.3.18 - 'Cmder.exe' Denial of Service (PoC)
Weaknesses CWE-787
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 6.7, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Aug 14, 2026, 4:49 PM
Reserved
Jan 14, 2026, 2:39 PM
Status
Deferred
Published
Jan 15, 2026, 4:16 PM
Modified
Jun 17, 2026, 4:18 AM