Executive Summary
Informations | |||
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Name | CVE-2021-20257 | First vendor Publication | 2022-03-16 |
Vendor | Cve | Last vendor Modification | 2023-02-12 |
Security-Database Scoring CVSS v3
Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H | |||
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Overall CVSS Score | 6.5 | ||
Base Score | 6.5 | Environmental Score | 6.5 |
impact SubScore | 4 | Temporal Score | 6.5 |
Exploitabality Sub Score | 2 | ||
Attack Vector | Local | Attack Complexity | Low |
Privileges Required | Low | User Interaction | None |
Scope | Changed | Confidentiality Impact | None |
Integrity Impact | None | Availability Impact | High |
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) | |||
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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 infinite loop flaw was found in the e1000 NIC emulator of the QEMU. This issue occurs while processing transmits (tx) descriptors in process_tx_desc if various descriptor fields are initialized with invalid values. This flaw allows a guest to consume CPU cycles on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability. |
Original Source
Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20257 |
CPE : Common Platform Enumeration
Sources (Detail)
Alert History
Date | Informations |
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2024-02-02 02:21:05 |
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2024-02-01 12:22:32 |
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2023-09-05 13:15:26 |
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2023-09-05 01:22:07 |
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2023-09-02 13:14:09 |
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2023-09-02 01:22:26 |
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2023-08-12 13:20:01 |
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2023-08-12 01:21:38 |
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2023-08-11 13:12:35 |
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2023-08-11 01:22:19 |
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2023-08-06 13:10:42 |
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2023-08-06 01:21:24 |
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2023-08-04 13:11:04 |
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2023-08-04 01:21:45 |
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2023-07-14 13:11:06 |
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2023-07-14 01:21:34 |
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2023-03-29 02:13:28 |
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2023-03-28 12:21:49 |
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2023-02-13 00:27:32 |
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2023-02-03 05:27:38 |
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2022-10-11 13:03:32 |
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2022-10-11 01:21:22 |
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2022-09-23 21:27:33 |
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2022-09-05 12:53:01 |
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2022-08-19 09:27:36 |
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2022-08-15 17:27:41 |
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2022-05-13 00:23:08 |
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2022-04-26 02:05:44 |
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2022-03-22 21:22:57 |
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2022-03-16 21:22:52 |
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2022-03-16 17:22:53 |
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