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cve[email protected]CVE-2020-26933
HistoryNov 18, 2020 - 5:15 p.m.

CVE-2020-26933

2020-11-1817:15:11
CWE-665
web.nvd.nist.gov
17
cve-2020-26933
trusted computing group
tcg
tpm library
vulnerability
access control
dictionary attack
nvd

3.6 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:P/A:N

7.2 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

6 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.7%

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.

Affected configurations

NVD
Node
trustedcomputinggrouptrusted_platform_moduleMatch2.0revision_1.38
OR
trustedcomputinggrouptrusted_platform_moduleMatch2.0revision_1.40
OR
trustedcomputinggrouptrusted_platform_moduleMatch2.0revision_1.59

3.6 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:P/A:N

7.2 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

6 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.7%

Related for CVE-2020-26933