Executive Summary
This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
| Informations | |||
|---|---|---|---|
| Name | CVE-2021-20203 | First vendor Publication | 2021-02-25 |
| Vendor | Cve | Last vendor Modification | 2024-11-21 |
Security-Database Scoring CVSS v3
| Cvss vector : CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L | |||
|---|---|---|---|
| Overall CVSS Score | 3.2 | ||
| Base Score | 3.2 | Environmental Score | 3.2 |
| impact SubScore | 1.4 | Temporal Score | 3.2 |
| Exploitabality Sub Score | 1.5 | ||
| Attack Vector | Local | Attack Complexity | Low |
| Privileges Required | High | User Interaction | None |
| Scope | Changed | Confidentiality Impact | None |
| Integrity Impact | None | Availability Impact | Low |
| Calculate full CVSS 3.0 Vectors scores | |||
Security-Database Scoring CVSS v2
| Cvss vector : (AV:L/AC:L/Au:N/C:N/I:N/A:P) | |||
|---|---|---|---|
| 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
| An integer overflow issue was found in the vmxnet3 NIC emulator of the QEMU for versions up to v5.2.0. It may occur if a guest was to supply invalid values for rx/tx queue size or other NIC parameters. A privileged guest user may use this flaw to crash the QEMU process on the host resulting in DoS scenario. |
Original Source
| Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20203 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 100 % | CWE-190 | Integer Overflow or Wraparound (CWE/SANS Top 25) |
CPE : Common Platform Enumeration
Sources (Detail)
Alert History
| Date | Informations |
|---|---|
| 2025-06-26 01:39:34 |
|
| 2025-06-25 12:12:30 |
|
| 2025-03-29 02:44:01 |
|
| 2025-03-28 13:23:53 |
|
| 2024-11-28 13:50:39 |
|
| 2024-08-02 13:20:31 |
|
| 2024-08-02 01:24:08 |
|
| 2024-02-02 02:21:03 |
|
| 2024-02-01 12:22:32 |
|
| 2023-09-05 13:15:24 |
|
| 2023-09-05 01:22:06 |
|
| 2023-09-02 13:14:07 |
|
| 2023-09-02 01:22:25 |
|
| 2023-08-12 13:19:59 |
|
| 2023-08-12 01:21:37 |
|
| 2023-08-11 13:12:34 |
|
| 2023-08-11 01:22:18 |
|
| 2023-08-06 13:10:40 |
|
| 2023-08-06 01:21:23 |
|
| 2023-08-04 13:11:03 |
|
| 2023-08-04 01:21:44 |
|
| 2023-07-14 13:11:04 |
|
| 2023-07-14 01:21:33 |
|
| 2023-03-29 02:13:27 |
|
| 2023-03-28 12:21:48 |
|
| 2022-10-11 13:03:31 |
|
| 2022-10-11 01:21:21 |
|
| 2022-10-01 00:27:46 |
|
| 2022-09-05 12:53:00 |
|
| 2022-08-15 17:27:49 |
|
| 2022-06-02 00:27:20 |
|
| 2021-06-05 01:43:23 |
|
| 2021-05-04 14:08:42 |
|
| 2021-04-22 03:14:46 |
|
| 2021-04-11 09:22:49 |
|
| 2021-03-26 12:36:48 |
|
