CVE-2021-45969

CVSS V2 High 7.2 CVSS V3 High 8.2
Description
An issue was discovered in AhciBusDxe in Insyde InsydeH2O with kernel 5.1 before 05.16.25, 5.2 before 05.26.25, 5.3 before 05.35.25, 5.4 before 05.43.25, and 5.5 before 05.51.25. A vulnerability exists in the SMM (System Management Mode) branch that registers a SWSMI handler that does not sufficiently check or validate the allocated buffer pointer (the CommBuffer+8 location).
Overview
  • CVE ID
  • CVE-2021-45969
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-01-05T23:15:08
  • Last Modified Date
  • 2022-03-29T16:35:03
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* 1 OR 5.1 5.16.25
cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* 1 OR 5.2 5.26.25
cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* 1 OR 5.3 5.35.25
cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* 1 OR 5.4 5.43.25
cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* 1 OR 5.5 05.51.25
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.2
  • Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • HIGH
  • User Interaction
  • NONE
  • Scope
  • CHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 8.2
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.5
  • Impact Score
  • 6
History
Created Old Value New Value Data Type Notes
2022-04-04 00:41:02 Added to TrackCVE
2022-12-06 05:44:50 2022-01-05T23:15Z 2022-01-05T23:15:08 CVE Published Date updated
2022-12-06 05:44:50 2022-03-29T16:35:03 CVE Modified Date updated
2022-12-06 05:44:50 Analyzed Vulnerability Status updated