CVE-2021-43522
CVSS V2 Medium 6.9
CVSS V3 High 7.5
Description
An issue was discovered in Insyde InsydeH2O with kernel 5.1 through 2021-11-08, 5.2 through 2021-11-08, and 5.3 through 2021-11-08. A StorageSecurityCommandDxe SMM memory corruption vulnerability allows an attacker to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM.
Overview
- CVE ID
- CVE-2021-43522
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2022-02-03T00:15:07
- Last Modified Date
- 2022-03-29T16:35:44
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* | 1 | OR | 5.1 | 5.14.34 |
| cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* | 1 | OR | 5.2 | 5.24.34 |
| cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* | 1 | OR | 5.3 | 5.33.34 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:M/Au:N/C:C/I:C/A:C
- Access Vector
- LOCAL
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- COMPLETE
- Integrity Impact
- COMPLETE
- Availability Impact
- COMPLETE
- Base Score
- 6.9
- Severity
- MEDIUM
- Exploitability Score
- 3.4
- Impact Score
- 10
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- HIGH
- Privileges Required
- HIGH
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 0.8
- Impact Score
- 6
References
| Reference URL | Reference Tags |
|---|---|
| https://www.insyde.com/security-pledge | Vendor Advisory |
| https://security.netapp.com/advisory/ntap-20220216-0003/ | 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-2021-43522 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43522 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-04-04 00:41:01 | Added to TrackCVE | |||
| 2022-12-06 08:21:56 | 2022-02-03T00:15Z | 2022-02-03T00:15:07 | CVE Published Date | updated |
| 2022-12-06 08:21:56 | 2022-03-29T16:35:44 | CVE Modified Date | updated | |
| 2022-12-06 08:21:56 | Analyzed | Vulnerability Status | updated |