Executive Summary
| Informations | |||
|---|---|---|---|
| Name | CVE-2021-3453 | First vendor Publication | 2021-07-16 |
| Vendor | Cve | Last vendor Modification | 2021-07-30 |
Security-Database Scoring CVSS v3
| Cvss vector : CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N | |||
|---|---|---|---|
| Overall CVSS Score | 4.6 | ||
| Base Score | 4.6 | Environmental Score | 4.6 |
| impact SubScore | 3.6 | Temporal Score | 4.6 |
| Exploitabality Sub Score | 0.9 | ||
| Attack Vector | Physical | Attack Complexity | Low |
| Privileges Required | None | User Interaction | None |
| Scope | Unchanged | Confidentiality Impact | None |
| Integrity Impact | High | Availability Impact | None |
| Calculate full CVSS 3.0 Vectors scores | |||
Security-Database Scoring CVSS v2
| Cvss vector : (AV:L/AC:L/Au:N/C:N/I:P/A:N) | |||
|---|---|---|---|
| Cvss Base Score | 2.1 | Attack Range | Local |
| Cvss Impact Score | 2.9 | Attack Complexity | Low |
| Cvss Expoit Score | 3.9 | Authentication | None Required |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| Some Lenovo Notebook, ThinkPad, and Lenovo Desktop systems have BIOS modules unprotected by Intel Boot Guard that could allow an attacker with physical access the ability to write to the SPI flash storage. |
Original Source
| Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3453 |
CPE : Common Platform Enumeration
| Type | Description | Count |
|---|---|---|
| Os | 1 | |
| Os | 1 | |
| Os | 1 | |
| Os | 1 | |
| Os | 1 | |
| Os | 1 | |
| Os | 1 | |
| Os | 1 | |
| Os | 1 | |
| Os | 1 | |
| Os | 1 | |
| Os | 1 | |
| Os | 1 | |
| Os | 1 | |
| Os | 1 | |
| Os | 1 | |
| Os | 1 | |
| Os | 1 | |
| Os | 1 | |
| Os | 1 | |
| Os | 1 |
Sources (Detail)
| Source | Url |
|---|---|
| MISC | https://support.lenovo.com/us/en/product_security/LEN-65529 |
Alert History
| Date | Informations |
|---|---|
| 2021-07-30 17:22:53 |
|
| 2021-07-17 09:22:48 |
|
| 2021-07-17 00:22:48 |
|
