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I. Basic Information for CVE-2021-27965
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
The MsIo64.sys driver before 1.1.19.1016 in MSI Dragon Center before 2.0.98.0 has a buffer overflow that allows privilege escalation via a crafted 0x80102040, 0x80102044, 0x80102050, or 0x80102054 IOCTL request.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Microsoft MSI Dragon Center 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MSI Dragon Center 2.0.98.0之前版本中的 MsIo64.sys驱动程序的1.1.19.1016之前版本中存在缓冲区错误漏洞,该漏洞允许通过一个精巧的请求进行权限升级。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
-n/a n/a -
II. Public POCs for CVE-2021-27965
#POC DescriptionSource LinkShenlong Link
1stack based buffer overflow in MsIo64.sys, Proof of Concept Local Privilege Escalation to nt authority/systemhttps://github.com/mathisvickie/CVE-2021-27965POC Details
2Proof of concept for CVE-2021-27965 (Stack-based Buffer Overflow)https://github.com/Jeromeyoung/CVE-2021-27965POC Details
3The MsIo64.sys driver before 1.1.19.1016 in MSI Dragon Center before 2.0.98.0 has a buffer overflow that allows privilege escalation via a crafted 0x80102040, 0x80102044, 0x80102050, or 0x80102054 IOCTL request.https://github.com/fengjixuchui/CVE-2021-27965POC Details
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III. Intelligence Information for CVE-2021-27965
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IV. Related Vulnerabilities
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