8.8
CWE
269 782
Advisory Published
Updated

CVE-2021-21786

First published: Wed Jul 07 2021(Updated: )

A privilege escalation vulnerability exists in the IOCTL 0x9c406144 handling of IOBit Advanced SystemCare Ultimate 14.2.0.220. A specially crafted I/O request packet (IRP) can lead to increased privileges. An attacker can send a malicious IRP to trigger this vulnerability.

Credit: talos-cna@cisco.com

Affected SoftwareAffected VersionHow to fix
IOBit Advanced SystemCare Ultimate=14.2.0.220

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Frequently Asked Questions

  • What is CVE-2021-21786?

    CVE-2021-21786 is a privilege escalation vulnerability in IOBit Advanced SystemCare Ultimate 14.2.0.220.

  • How does CVE-2021-21786 affect IOBit Advanced SystemCare Ultimate?

    CVE-2021-21786 can lead to increased privileges when a specially crafted I/O request packet (IRP) is sent to the software.

  • What is the severity of CVE-2021-21786?

    CVE-2021-21786 has a severity rating of 7.8 (high).

  • How can an attacker exploit CVE-2021-21786?

    An attacker can exploit CVE-2021-21786 by sending a malicious IRP to trigger the vulnerability.

  • Is there a fix available for CVE-2021-21786?

    At the moment, there is no specific fix available for CVE-2021-21786. It is recommended to follow the vendor's security advisory for updates.

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