CVE-2021-41840
CVSS V2 High 7.2
CVSS V3 High 8.2
Description
An issue was discovered in NvmExpressDxe in the kernel 5.0 through 5.5 in Insyde InsydeH2O. There is an SMM callout that allows an attacker to access the System Management Mode and execute arbitrary code. This occurs because of Inclusion of Functionality from an Untrusted Control Sphere.
Overview
- CVE ID
- CVE-2021-41840
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2022-02-03T02:15:07
- Last Modified Date
- 2022-03-29T16:36:00
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* | 1 | OR | 5.2 | 5.23.35 |
| cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* | 1 | OR | 5.3 | 5.32.35 |
| cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* | 1 | OR | 5.4 | 5.40.35 |
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
References
| Reference URL | Reference Tags |
|---|---|
| https://www.insyde.com/security-pledge | Vendor Advisory |
| https://www.insyde.com/security-pledge/SA-2022018 | Vendor Advisory |
| https://security.netapp.com/advisory/ntap-20220217-0014/ | Third Party Advisory |
| https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-41840 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41840 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-04-04 00:41:01 | Added to TrackCVE | |||
| 2022-12-06 08:22:40 | 2022-02-03T02:15Z | 2022-02-03T02:15:07 | CVE Published Date | updated |
| 2022-12-06 08:22:40 | 2022-03-29T16:36:00 | CVE Modified Date | updated | |
| 2022-12-06 08:22:40 | Analyzed | Vulnerability Status | updated |