CVE-2021-3947
Severity Score
5.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
A stack-buffer-overflow was found in QEMU in the NVME component. The flaw lies in nvme_changed_nslist() where a malicious guest controlling certain input can read out of bounds memory. A malicious user could use this flaw leading to disclosure of sensitive information.
Se ha encontrado un desbordamiento de pila en QEMU en el componente NVME. El fallo es encontrado en nvme_changed_nslist(), donde un huésped malicioso que controle determinadas entradas puede leer memoria fuera de límites. Un usuario malicioso podría usar este fallo conllevando a una divulgación de información confidencial
*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
- 2021-11-11 CVE Reserved
- 2022-02-18 CVE Published
- 2023-09-11 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-125: Out-of-bounds Read
CAPEC
References (3)
| URL | Tag | Source |
|---|---|---|
| https://security.netapp.com/advisory/ntap-20220318-0003 | Third Party Advisory |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=2021869 | 2023-11-21 |
| URL | Date | SRC |
|---|---|---|
| https://security.gentoo.org/glsa/202208-27 | 2023-11-21 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Qemu Search vendor "Qemu" | Qemu Search vendor "Qemu" for product "Qemu" | >= 6.0.0 <= 6.1.0 Search vendor "Qemu" for product "Qemu" and version " >= 6.0.0 <= 6.1.0" | - |
Affected
| ||||||
| Qemu Search vendor "Qemu" | Qemu Search vendor "Qemu" for product "Qemu" | 6.2.0 Search vendor "Qemu" for product "Qemu" and version "6.2.0" | rc0 |
Affected
| ||||||
| Qemu Search vendor "Qemu" | Qemu Search vendor "Qemu" for product "Qemu" | 6.2.0 Search vendor "Qemu" for product "Qemu" and version "6.2.0" | rc1 |
Affected
| ||||||