CVE-2021-21786
7.8 · HIGHOverview
CVE-2021-21786 is a high-severity vulnerability affecting iobit advanced_systemcare_ultimate. It was published on July 7, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
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.
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 |
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Frequently Asked Questions
What is CVE-2021-21786?
CVE-2021-21786 is a high-severity vulnerability affecting iobit advanced_systemcare_ultimate. It was published on July 7, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2021-21786?
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-21786?
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-2021-21786?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-21786 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.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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