CVE-2021-41837
CVSS V2 High 7.2
CVSS V3 High 8.2
Description
An issue was discovered in AhciBusDxe in the kernel 5.0 through 5.5 in Insyde InsydeH2O. Because of an Untrusted Pointer Dereference that causes SMM memory corruption, an attacker may be able to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM.
Overview
- CVE ID
- CVE-2021-41837
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2022-02-03T02:15:07
- Last Modified Date
- 2022-03-01T19:43:28
Weakness Enumerations
CPE Configuration (Product)
CPE | Vulnerable | Operator | Version Start | Version End |
---|---|---|---|---|
AND | ||||
cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* | 1 | OR | 5.0 | 5.08.41 |
AND | ||||
cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* | 1 | OR | 5.1 | 5.16.41 |
AND | ||||
cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* | 1 | OR | 5.2 | 5.26.41 |
AND | ||||
cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* | 1 | OR | 5.3 | 5.35.41 |
AND | ||||
cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* | 1 | OR | 5.4 | 5.43.41 |
AND | ||||
cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* | 1 | OR | 5.5 | 5.51.41 |
AND | ||||
cpe:2.3:o:siemens:simatic_field_pg_m5_firmware:*:*:*:*:*:*:*:* | 1 | OR | ||
cpe:2.3:h:siemens:simatic_field_pg_m5:-:*:*:*:*:*:*:* | 0 | OR | ||
AND | ||||
cpe:2.3:o:siemens:simatic_field_pg_m6_firmware:*:*:*:*:*:*:*:* | 1 | OR | ||
cpe:2.3:h:siemens:simatic_field_pg_m6:-:*:*:*:*:*:*:* | 0 | OR | ||
AND | ||||
cpe:2.3:o:siemens:simatic_ipc127e_firmware:*:*:*:*:*:*:*:* | 1 | OR | ||
cpe:2.3:h:siemens:simatic_ipc127e:-:*:*:*:*:*:*:* | 0 | OR | ||
AND | ||||
cpe:2.3:o:siemens:simatic_ipc227g_firmware:*:*:*:*:*:*:*:* | 1 | OR | ||
cpe:2.3:h:siemens:simatic_ipc227g:-:*:*:*:*:*:*:* | 0 | OR | ||
AND | ||||
cpe:2.3:o:siemens:simatic_ipc277g_firmware:*:*:*:*:*:*:*:* | 1 | OR | ||
cpe:2.3:h:siemens:simatic_ipc277g:-:*:*:*:*:*:*:* | 0 | OR | ||
AND | ||||
cpe:2.3:o:siemens:simatic_ipc327g_firmware:*:*:*:*:*:*:*:* | 1 | OR | ||
cpe:2.3:h:siemens:simatic_ipc327g:-:*:*:*:*:*:*:* | 0 | OR | ||
AND | ||||
cpe:2.3:o:siemens:simatic_ipc377g_firmware:*:*:*:*:*:*:*:* | 1 | OR | ||
cpe:2.3:h:siemens:simatic_ipc377g:-:*:*:*:*:*:*:* | 0 | OR | ||
AND | ||||
cpe:2.3:o:siemens:simatic_ipc427e_firmware:*:*:*:*:*:*:*:* | 1 | OR | ||
cpe:2.3:h:siemens:simatic_ipc427e:-:*:*:*:*:*:*:* | 0 | OR | ||
AND | ||||
cpe:2.3:o:siemens:simatic_ipc477e_firmware:*:*:*:*:*:*:*:* | 1 | OR | ||
cpe:2.3:h:siemens:simatic_ipc477e:-:*:*:*:*:*:*:* | 0 | OR | ||
AND | ||||
cpe:2.3:o:siemens:simatic_ipc627e_firmware:*:*:*:*:*:*:*:* | 1 | OR | ||
cpe:2.3:h:siemens:simatic_ipc627e:-:*:*:*:*:*:*:* | 0 | OR | ||
AND | ||||
cpe:2.3:o:siemens:simatic_ipc647e_firmware:*:*:*:*:*:*:*:* | 1 | OR | ||
cpe:2.3:h:siemens:simatic_ipc647e:-:*:*:*:*:*:*:* | 0 | OR | ||
AND | ||||
cpe:2.3:o:siemens:simatic_ipc677e_firmware:*:*:*:*:*:*:*:* | 1 | OR | ||
cpe:2.3:h:siemens:simatic_ipc677e:-:*:*:*:*:*:*:* | 0 | OR | ||
AND | ||||
cpe:2.3:o:siemens:simatic_ipc847e_firmware:*:*:*:*:*:*:*:* | 1 | OR | ||
cpe:2.3:h:siemens:simatic_ipc847e:-:*:*:*:*:*:*:* | 0 | OR | ||
AND | ||||
cpe:2.3:o:siemens:simatic_itp1000_firmware:*:*:*:*:*:*:*:* | 1 | OR | ||
cpe:2.3:h:siemens:simatic_itp1000:-:*:*:*:*:*:*:* | 0 | OR |
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-2022024 | Vendor Advisory |
https://security.netapp.com/advisory/ntap-20220222-0003/ | 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-2021-41837 |
MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41837 |
History
Created | Old Value | New Value | Data Type | Notes |
---|---|---|---|---|
2022-05-10 15:47:49 | Added to TrackCVE | |||
2022-12-06 08:22:23 | 2022-02-03T02:15Z | 2022-02-03T02:15:07 | CVE Published Date | updated |
2022-12-06 08:22:23 | 2022-03-01T19:43:28 | CVE Modified Date | updated | |
2022-12-06 08:22:23 | Analyzed | Vulnerability Status | updated |