7.5
CVE-2021-43522
- EPSS 0.07%
- Veröffentlicht 03.02.2022 00:15:07
- Zuletzt bearbeitet 04.11.2025 20:16:02
- Quelle cve@mitre.org
- CVE-Watchlists
- Unerledigt
An issue was discovered in Insyde InsydeH2O with kernel 5.1 through 2021-11-08, 5.2 through 2021-11-08, and 5.3 through 2021-11-08. A StorageSecurityCommandDxe SMM memory corruption vulnerability allows an attacker to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM.
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.07% | 0.208 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 7.5 | 0.8 | 6 |
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
|
| nvd@nist.gov | 6.9 | 3.4 | 10 |
AV:L/AC:M/Au:N/C:C/I:C/A:C
|
CWE-787 Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.