CVE-2021-36923 Privilege escalation in n/a
Local attackers can escalate privileges, execute code, or cause denial of service via crafted IO control packets in the Realtek USB 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-2021-36923?
CVE-2021-36923 is a high-severity vulnerability in n/a, published on 2 Nov 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
RtsUpx.sys in Realtek RtsUpx USB Utility Driver for Camera/Hub/Audio through 1.14.0.0 allows local low-privileged users to achieve unauthorized access to USB device privileged IN and OUT instructions (leading to Escalation of Privileges, Denial of Service, Code Execution, and Information Disclosure) via a crafted Device IO Control packet to a device.
Which versions are affected by CVE-2021-36923?
It affects 1 product.
Products include Realtek Rtsupx Usb Utility Driver.
How do I fix CVE-2021-36923?
No fix has been published for CVE-2021-36923 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-36923 being exploited?
There is no known exploitation of CVE-2021-36923 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-9w3v-3chj-c59g.