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CVE-2021-21785

5.5 · MEDIUM
Published Aug 5, 2021 iobit CWE-782 EPSS 0.34% (26th pctl)

Overview

CVE-2021-21785 is a medium-severity vulnerability affecting iobit advanced_systemcare_ultimate. It was published on August 5, 2021 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical Description

An information disclosure vulnerability exists in the IOCTL 0x9c40a148 handling of IOBit Advanced SystemCare Ultimate 14.2.0.220. A specially crafted I/O request packet (IRP) can lead to a disclosure of sensitive information. An attacker can send a malicious IRP to trigger this vulnerability.

Remediation

Check the references section for vendor advisories and patches from iobit. Update advanced_systemcare_ultimate to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status

Frequently Asked Questions

What is CVE-2021-21785?

CVE-2021-21785 is a medium-severity vulnerability affecting iobit advanced_systemcare_ultimate. It was published on August 5, 2021 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2021-21785?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2021-21785?

Check the references section for vendor advisories and patches from iobit. Update advanced_systemcare_ultimate to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-21785?

CyberStrike's AI-powered security agents can automatically detect CVE-2021-21785 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.