CVE-2020-26933

CVSS V2 Low 3.6 CVSS V3 Medium 6
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.
Overview
  • CVE ID
  • CVE-2020-26933
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-11-18T17:15:11
  • Last Modified Date
  • 2020-12-07T21:19:45
Weakness Enumerations
CWE URL
CWE-665 http://cwe.mitre.org/data/definitions/665.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:trustedcomputinggroup:trusted_platform_module:2.0:revision_1.38:*:*:*:*:*:* 1 OR
cpe:2.3:a:trustedcomputinggroup:trusted_platform_module:2.0:revision_1.40:*:*:*:*:*:* 1 OR
cpe:2.3:a:trustedcomputinggroup:trusted_platform_module:2.0:revision_1.59:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:P/I:P/A:N
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 3.6
  • Severity
  • LOW
  • Exploitability Score
  • 3.9
  • Impact Score
  • 4.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • HIGH
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 6
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 0.8
  • Impact Score
  • 5.2
References
Reference URL Reference Tags
https://trustedcomputinggroup.org/wp-content/uploads/TCGVRT004-Advisory-FINAL.pdf Vendor Advisory
https://trustedcomputinggroup.org/about/security/ Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-26933
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26933
History
Created Old Value New Value Data Type Notes
2022-05-10 07:31:05 Added to TrackCVE
2022-12-05 17:00:56 2020-11-18T17:15Z 2020-11-18T17:15:11 CVE Published Date updated
2022-12-05 17:00:56 2020-12-07T21:19:45 CVE Modified Date updated
2022-12-05 17:00:57 Analyzed Vulnerability Status updated