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 v4.0

6.7 MEDIUMCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.25% chance of exploitation in the next 30 days, 17th percentile

Published

2026-01-15

Updated

2026-08-14

Proof-of-concept exploits (1)

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

References

• CVE Record
• NVD entry

Related

• CVE-2021-47780
• CVE-2021-47782
• CVE-2021-47779
• CVE-2021-47783
• CVE-2021-47778
• CVE-2021-47784