CVE-2021-47775
HIGH EPSS 4.4%
Published Jan 15, 20265mo ago · Modified Jun 17, 20261w ago
8.4 CVSS 4.0
Published Jan 15, 2026 5mo ago
Last Modified Jun 17, 2026 1w ago
Description
YouTube Video Grabber, now referred to as YouTube Downloader, 1.9.9.1 contains a buffer overflow vulnerability that allows attackers to execute arbitrary code by overwriting the Structured Exception Handler. Attackers can craft a malicious payload of 712 bytes with SEH manipulation to trigger a bind shell connection on a specified local port.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/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 Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction A
Scope X
Threat Intelligence
EPSS Exploit Probability
4.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-787 Out-of-bounds Write Memory Safety
References 2
- exploit-db.com https://www.exploit-db.com/exploits/50471
- litexmedia.com https://www.litexmedia.com/youtube-grabber/
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.