Medium severity5.5NVD Advisory· Published Aug 5, 2021· Updated Jun 17, 2026
CVE-2021-21792
CVE-2021-21792
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.
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Affected products
3- cpe:2.3:a:iobit:advanced_systemcare_ultimate:14.2.0.220:*:*:*:*:*:*:*
- IOBit/Advanced SystemCare Ultimatedescription
- Range: =14.2.0.220
Patches
Vulnerability mechanics
References
1- talosintelligence.com/vulnerability_reports/TALOS-2021-1255nvdExploitThird Party Advisory
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