CVE-2021-21790

Public Exploit

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.06%
Third-Party Advisory talosintelligence.com
Affected: n/a IOBit
Published at:
Updated at:

References

Link Tags
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1255 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-21790?
CVE-2021-21790 has been scored as a medium severity vulnerability.
How to fix CVE-2021-21790?
To fix CVE-2021-21790, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-21790 being actively exploited in the wild?
It is possible that CVE-2021-21790 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-21790?
CVE-2021-21790 affects n/a IOBit.
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