CVE-2021-32015 Missing authorization in n/a
A local high-privilege user can bypass authorization checks to access protected TPM non-volatile memory in Nuvoton NPCT75x firmware.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-32015?
CVE-2021-32015 is a medium-severity missing authorization vulnerability in n/a, published on 8 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In Nuvoton NPCT75x TPM 1.2 firmware 7.4.0.0, a local authenticated malicious user with high privileges could potentially gain unauthorized access to TPM non-volatile memory. NOTE: Upgrading to firmware version 7.4.0.1 will mitigate against the vulnerability, but version 7.4.0.1 is not TCG or Common Criteria (CC) certified. Nuvoton recommends that users apply the NPCT75x TPM 1.2 firmware update.
Weakness: CWE-862
Which versions are affected by CVE-2021-32015?
It affects 1 product.
Products include Nuvoton Npct75x Firmware.
How do I fix CVE-2021-32015?
No fix has been published for CVE-2021-32015 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2021-32015 being exploited?
There is no known exploitation of CVE-2021-32015 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-522h-6j82-9c6f.