Answer in brief
CVE-2021-47781 records a Medium severity (CVSS 6.7) vulnerability in Cmder Console Emulator 1.3.18 - 'Cmder.exe' Denial of Service (PoC). The current sources do not mark it as known exploited. The current feed maps Cmder/Cmder Console Emulator (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 6.7. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Cmder/Cmder Console Emulator (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Cmder/Cmder Console Emulatorgeneric | 1.3.18 | Not reported |
Published upstream
Jan 15, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 14, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 14, 2026
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.
Quoted source text, attributed separately from HOL analysis.