CVE-2020-26933

medium

Description

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.

References

https://trustedcomputinggroup.org/wp-content/uploads/TCGVRT004-Advisory-FINAL.pdf

https://trustedcomputinggroup.org/about/security/

Details

Source: Mitre, NVD

Published: 2020-11-18

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 3.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:N

Severity: Low

CVSS v3

Base Score: 6

Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

Severity: Medium

EPSS

EPSS: 0.0005