Executive Summary
This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
| Informations | |||
|---|---|---|---|
| Name | CVE-2021-26402 | First vendor Publication | 2023-01-11 |
| Vendor | Cve | Last vendor Modification | 2023-01-18 |
Security-Database Scoring CVSS v3
| Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H | |||
|---|---|---|---|
| Overall CVSS Score | 7.1 | ||
| Base Score | 7.1 | Environmental Score | 7.1 |
| impact SubScore | 5.2 | Temporal Score | 7.1 |
| Exploitabality Sub Score | 1.8 | ||
| Attack Vector | Local | Attack Complexity | Low |
| Privileges Required | Low | User Interaction | None |
| Scope | Unchanged | Confidentiality Impact | None |
| Integrity Impact | High | Availability Impact | High |
| Calculate full CVSS 3.0 Vectors scores | |||
Security-Database Scoring CVSS v2
| Cvss vector : | |||
|---|---|---|---|
| Cvss Base Score | N/A | Attack Range | N/A |
| Cvss Impact Score | N/A | Attack Complexity | N/A |
| Cvss Expoit Score | N/A | Authentication | N/A |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| Insufficient bounds checking in ASP (AMD Secure Processor) firmware while handling BIOS mailbox commands, may allow an attacker to write partially-controlled data out-of-bounds to SMM or SEV-ES regions which may lead to a potential loss of integrity and availability. |
Original Source
| Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26402 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 100 % | CWE-787 | Out-of-bounds Write (CWE/SANS Top 25) |
CPE : Common Platform Enumeration
| Type | Description | Count |
|---|---|---|
| Os | 2 | |
| Os | 3 | |
| Os | 2 | |
| Os | 2 | |
| Os | 2 | |
| Os | 2 | |
| Os | 2 | |
| Os | 3 | |
| Os | 2 | |
| Os | 2 | |
| Os | 3 | |
| Os | 3 | |
| Os | 3 | |
| Os | 2 | |
| Os | 3 | |
| Os | 3 | |
| Os | 2 | |
| Os | 2 | |
| Os | 3 | |
| Os | 3 | |
| Os | 3 | |
| Os | 2 | |
| Os | 3 | |
| Os | 3 | |
| Os | 2 | |
| Os | 2 | |
| Os | 3 | |
| Os | 2 | |
| Os | 2 | |
| Os | 3 | |
| Os | 3 | |
| Os | 2 | |
| Os | 3 | |
| Os | 3 | |
| Os | 2 | |
| Os | 3 | |
| Os | 2 | |
| Os | 3 | |
| Os | 2 | |
| Os | 2 | |
| Os | 3 | |
| Os | 3 | |
| Os | 2 | |
| Os | 2 | |
| Os | 3 | |
| Os | 3 | |
| Os | 2 | |
| Os | 2 | |
| Os | 2 | |
| Os | 2 |
Sources (Detail)
| Source | Url |
|---|---|
| MISC | https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032 |
Alert History
| Date | Informations |
|---|---|
| 2023-09-23 02:10:14 |
|
| 2023-01-19 05:27:20 |
|
| 2023-01-11 21:27:17 |
|
| 2023-01-11 13:27:13 |
|
