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I. Basic Information for CVE-2021-21792
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An information disclosure vulnerability exists in the the way IOBit Advanced SystemCare Ultimate 14.2.0.220 driver handles Privileged I/O read requests. A specially crafted I/O request packet (IRP) can lead to privileged reads in the context of a driver which can result in sensitive information disclosure from the kernel. The IN instruction can read four bytes from the given I/O device, potentially leaking sensitive device data to unprivileged users.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
无充分访问控制条件下暴露IOCTL
Source: NVD (National Vulnerability Database)
Vulnerability Title
IOBit Advanced SystemCare 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Iobit IOBit Advanced SystemCare是英国IOBit(Iobit)公司的一款系统管理实用程序。该程序主要用于扫描、修复和优化系统等。 IOBit Advanced SystemCare Ultimate 中存在安全漏洞,该漏洞源于产品对IO数据的读取未加限制,导致可驱动程序的上下文对IO请求包数据进行读取。攻击者可通过该漏洞获得内核信息。以下产品及版本受到影响:IOBit Advanced SystemCare Ultimate 14.2.0.220。
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
-IObit IOBit Advanced SystemCare Ultimate 14.2.0.220 -
II. Public POCs for CVE-2021-21792
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III. Intelligence Information for CVE-2021-21792
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IV. Related Vulnerabilities
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