CVE-2021-21786 Privilege escalation in Iobit
A local attacker can escalate privileges by sending a malicious I/O request packet to the Advanced SystemCare Ultimate driver.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-21786?
CVE-2021-21786 is a high-severity vulnerability in Iobit, published on 7 Jul 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Which versions are affected by CVE-2021-21786?
It affects 1 product.
Products include Iobit Advanced Systemcare Ultimate.
How do I fix CVE-2021-21786?
No fix has been published for CVE-2021-21786 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-21786 being exploited?
There is no known exploitation of CVE-2021-21786 in the wild and no public exploit code.
Other vulnerabilities in Iobit
Sources
Also known as GHSA-xw24-w9w2-xw4q.