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CVE-2021-47789

25
FAUCET Score

CVE-2021-47789 describes a buffer overrun vulnerability in the Yenkee Hornet Gaming Mouse driver (GM312Fltr.sys), which can lead to a kernel-level system crash. This vulnerability affects the specified mouse driver and does not list other affected products. Rated with a CVSS score of 7.5 (HIGH), this vulnerability is easily exploitable over the network with low attack complexity, requiring no user interaction or privileges, and its primary impact is system availability. The FAUCET Risk Score is 85/100, indicating a significant risk. There is currently no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal, aligning with typical trends for most vulnerabilities.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:yenkee:yms_3029_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

6.8MEDIUM

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/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

Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
VS Confidentiality
NONE
VS Integrity
NONE
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.42%
Probability of exploitation in next 30 days
EPSS Percentile
34.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0042 is in the 13th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / Quadron-Research-Lab/Kernel_Driver_bugs/tree/main/GM312Fltr
Exploit
exploit-db.com / exploits/50311
Exploit
vulncheck.com / advisories/yenkee-hornet-gaming-mouse-gmfltrsys-denial-of-service-poc
Third Party Advisory
yenkee.eu
Product