CVE-2020-26933 — HIGH (7.2)

Vulnerability 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.

CVSS Score

7.2

HIGH

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

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Trustedcomputinggroup	Trusted Platform Module	2.0

Related Weaknesses (CWE)

CWE-665

References

https://trustedcomputinggroup.org/about/security/Vendor Advisory
https://trustedcomputinggroup.org/wp-content/uploads/TCGVRT004-Advisory-FINAL.pdVendor Advisory
https://trustedcomputinggroup.org/about/security/Vendor Advisory
https://trustedcomputinggroup.org/wp-content/uploads/TCGVRT004-Advisory-FINAL.pdVendor Advisory

FAQ

What is CVE-2020-26933?

CVE-2020-26933 is a vulnerability with a CVSS score of 7.2 (HIGH). 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...

How severe is CVE-2020-26933?

CVE-2020-26933 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-26933?

Check the references section above for vendor advisories and patch information. Affected products include: Trustedcomputinggroup Trusted Platform Module.