What’s Vulnerable › Vulnerabilities

CVE-2021-47781: Cmder Console Emulator 1.3.18 - 'Cmder.exe' Denial of Service (PoC)

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-15 · updated 2026-06-17
• Weakness: CWE-787

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.

Affected products

• Cmder Console Emulator: 1.3.18

References

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

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