CVE-2021-21791 - CVE House
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Status published Medium CVE-2021-21791

An information disclosure vulnerability exists in the the way IOBit...

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 two bytes from the given I/O device, potentially leaking sensitive device data to unprivileged users.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

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Affected Vendor

Affected Software

IOBit
Vulnerable Versions:
IOBit Advanced SystemCare Ultimate 14.2.0.220

Timeline

Official Publish: August 5th, 2021
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Weaknesses (CWE)

CWE-782

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.