Vulnerability Details : CVE-2021-32015
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.
Vulnerability category: Bypass
Products affected by CVE-2021-32015
- cpe:2.3:o:nuvoton:npct75x_firmware:7.4.0.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-32015
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 11 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-32015
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.6
|
LOW | AV:L/AC:L/Au:N/C:P/I:P/A:N |
3.9
|
4.9
|
NIST | |
|
6.0
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N |
0.8
|
5.2
|
NIST |
CWE ids for CVE-2021-32015
-
The product does not perform an authorization check when an actor attempts to access a resource or perform an action.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-32015
-
https://www.nuvoton.com/support/product-related-information/security-advisories/sa-001/
SA-001: Unauthorized Access to Non-Volatile Memory - NuvotonVendor Advisory
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