CVE-2021-26334
CVSS V2 High 9
CVSS V3 Critical 9.9
Description
The AMDPowerProfiler.sys driver of AMD ?Prof tool may allow lower privileged users to access MSRs in kernel which may lead to privilege escalation and ring-0 code execution by the lower privileged user.
Overview
- CVE ID
- CVE-2021-26334
- Assigner
- psirt@amd.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-12-01T16:15:07
- Last Modified Date
- 2023-03-01T18:59:23
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:a:amd:amd_uprof:*:*:*:*:*:*:*:* | 1 | OR | 3.4.494 | |
| cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:a:amd:amd_uprof:*:*:*:*:*:*:*:* | 1 | OR | 3.4.502 | |
| cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:C/I:C/A:C
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- COMPLETE
- Integrity Impact
- COMPLETE
- Availability Impact
- COMPLETE
- Base Score
- 9
- Severity
- HIGH
- Exploitability Score
- 8
- Impact Score
- 10
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.9
- Base Severity
- CRITICAL
- Exploitability Score
- 3.1
- Impact Score
- 6
References
| Reference URL | Reference Tags |
|---|---|
| https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1016 | Mitigation Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-26334 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26334 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:26:34 | Added to TrackCVE | |||
| 2022-12-05 15:22:47 | 2021-12-01T16:15Z | 2021-12-01T16:15:07 | CVE Published Date | updated |
| 2022-12-05 15:22:47 | 2022-07-02T21:18:52 | CVE Modified Date | updated | |
| 2022-12-05 15:22:47 | Analyzed | Vulnerability Status | updated | |
| 2023-01-25 02:11:53 | 2023-01-25T01:56:36 | CVE Modified Date | updated | |
| 2023-01-25 02:11:53 | Analyzed | Modified | Vulnerability Status | updated |
| 2023-01-25 02:11:54 | Weakness Enumeration | update | ||
| 2023-01-26 12:12:35 | Modified | Undergoing Analysis | Vulnerability Status | updated |
| 2023-03-01 20:11:54 | 2023-03-01T18:59:23 | CVE Modified Date | updated | |
| 2023-03-01 20:11:54 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |