CVE-2021-21791
First published: Thu Aug 05 2021(Updated: )
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.
Credit: talos-cna@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| IOBit Advanced SystemCare Ultimate | =14.2.0.220 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Frequently Asked Questions
What is the severity of CVE-2021-21791?
The severity of CVE-2021-21791 is medium with a severity value of 5.5.
What software is affected by CVE-2021-21791?
IOBit Advanced SystemCare Ultimate 14.2.0.220 is affected by CVE-2021-21791.
What is the CWE ID for CVE-2021-21791?
The CWE ID for CVE-2021-21791 is 782.
How does CVE-2021-21791 impact the affected software?
CVE-2021-21791 can lead to privileged reads in the context of the driver, resulting in sensitive information disclosure.
Where can I find more information about CVE-2021-21791?
You can find more information about CVE-2021-21791 at the following reference: https://talosintelligence.com/vulnerability_reports/TALOS-2021-1255
- collector/nvd-index
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/references
- agent/severity
- agent/last-modified-date
- agent/author
- agent/first-publish-date
- agent/event
- agent/tags
- agent/description
- agent/softwarecombine
- vendor/iobit
- canonical/iobit advanced systemcare ultimate
- version/iobit advanced systemcare ultimate/14.2.0.220