What is CVE-2020-26933?

CVE-2020-26933 is a high-severity vulnerability in Trustedcomputinggroup Trusted Platform Module, classified under Improper Initialization. CVSS score: 7.2/10. Published 2020-11-18.

How severe is CVE-2020-26933?

High severity. CVSS v3 base score is 7.2 out of 10.

Vulnerability in Trustedcomputinggroup Trusted Platform Module

CVE-2020-26933

Trusted Computing Group (TCG) Trusted Platform Module Library Family 2.0 Library Specification Revisions 1.38 through 1.59 has Incorrect Access Control during a non-orderly TPM shut-down that uses USE_DA_USED. Improper initialization of this shut-down may result in susceptibility to a dictionary attack.

Vulnerability class: Dirty Pipe (CVE-2022-0847)

EPSS: 0.003 (21.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N.

Affected products

Trustedcomputinggroup Trusted_platform_module — versions 2.0
N/a — versions n/a

Weakness classification (CWE)

CWE-665 — Improper Initialization

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2020-26933?: CVE-2020-26933 is a high-severity vulnerability in Trustedcomputinggroup Trusted Platform Module, classified under Improper Initialization. CVSS score: 7.2/10. Published 2020-11-18.
How severe is CVE-2020-26933?: High severity. CVSS v3 base score is 7.2 out of 10.