CVE-2021-43522
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
Se ha detectado un problema en InsydeH2O con el kernel versión 5.1 hasta 08-11-2021, versión 5.2 hasta 08-11-2021 y versión 5.3 hasta 08-11-2021. Una vulnerabilidad de corrupción de memoria de StorageSecurityCommandDxe SMM permite a un atacante escribir datos fijos o predecibles en la SMRAM. Una explotación de este problema podría conllevar a una escalada de privilegios en SMM
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-11-08 CVE Reserved
- 2022-02-02 CVE Published
- 2023-08-26 EPSS Updated
- 2024-08-04 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-787: Out-of-bounds Write
CAPEC
References (3)
| URL | Tag | Source |
|---|---|---|
| https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf | Third Party Advisory |
|
| https://security.netapp.com/advisory/ntap-20220216-0003 | Third Party Advisory |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://www.insyde.com/security-pledge | 2022-03-29 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Insyde Search vendor "Insyde" | Insydeh2o Search vendor "Insyde" for product "Insydeh2o" | >= 5.1 < 5.14.34 Search vendor "Insyde" for product "Insydeh2o" and version " >= 5.1 < 5.14.34" | - |
Affected
| ||||||
| Insyde Search vendor "Insyde" | Insydeh2o Search vendor "Insyde" for product "Insydeh2o" | >= 5.2 < 5.24.34 Search vendor "Insyde" for product "Insydeh2o" and version " >= 5.2 < 5.24.34" | - |
Affected
| ||||||
| Insyde Search vendor "Insyde" | Insydeh2o Search vendor "Insyde" for product "Insydeh2o" | >= 5.3 < 5.33.34 Search vendor "Insyde" for product "Insydeh2o" and version " >= 5.3 < 5.33.34" | - |
Affected
| ||||||