Executive Summary
| Informations | |||
|---|---|---|---|
| Name | CVE-2020-27339 | First vendor Publication | 2021-06-16 |
| Vendor | Cve | Last vendor Modification | 2022-07-12 |
Security-Database Scoring CVSS v3
| Cvss vector : CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H | |||
|---|---|---|---|
| Overall CVSS Score | 6.7 | ||
| Base Score | 6.7 | Environmental Score | 6.7 |
| impact SubScore | 5.9 | Temporal Score | 6.7 |
| Exploitabality Sub Score | 0.8 | ||
| Attack Vector | Local | Attack Complexity | Low |
| Privileges Required | High | User Interaction | None |
| Scope | Unchanged | Confidentiality Impact | High |
| Integrity Impact | High | Availability Impact | High |
| Calculate full CVSS 3.0 Vectors scores | |||
Security-Database Scoring CVSS v2
| Cvss vector : (AV:L/AC:L/Au:N/C:C/I:C/A:C) | |||
|---|---|---|---|
| Cvss Base Score | 7.2 | Attack Range | Local |
| Cvss Impact Score | 10 | Attack Complexity | Low |
| Cvss Expoit Score | 3.9 | Authentication | None Required |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| In the kernel in Insyde InsydeH2O 5.x, certain SMM drivers did not correctly validate the CommBuffer and CommBufferSize parameters, allowing callers to corrupt either the firmware or the OS memory. The fixed versions for this issue in the AhciBusDxe, IdeBusDxe, NvmExpressDxe, SdHostDriverDxe, and SdMmcDeviceDxe drivers are 05.16.25, 05.26.25, 05.35.25, 05.43.25, and 05.51.25 (for Kernel 5.1 through 5.5). |
Original Source
| Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27339 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 100 % | CWE-20 | Improper Input Validation |
CPE : Common Platform Enumeration
Sources (Detail)
| Source | Url |
|---|---|
| CONFIRM | https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf https://security.netapp.com/advisory/ntap-20220216-0005/ |
| MISC | https://www.insyde.com/security-pledge/SA-2021001 |
Alert History
| Date | Informations |
|---|---|
| 2023-11-10 13:03:10 |
|
| 2023-11-10 02:05:06 |
|
| 2023-08-23 02:00:28 |
|
| 2023-08-16 01:54:30 |
|
| 2023-08-15 01:54:34 |
|
| 2022-07-13 17:27:43 |
|
| 2022-04-24 09:23:13 |
|
| 2022-02-24 21:23:17 |
|
| 2022-02-17 09:23:13 |
|
| 2022-02-10 01:43:39 |
|
| 2022-01-14 01:44:25 |
|
| 2021-10-01 09:23:50 |
|
| 2021-09-28 00:23:23 |
|
| 2021-06-24 00:22:48 |
|
| 2021-06-16 21:23:10 |
|
