Executive Summary
| Informations | |||
|---|---|---|---|
| Name | CVE-2021-3847 | First vendor Publication | 2022-04-01 |
| Vendor | Cve | Last vendor Modification | 2024-11-21 |
Security-Database Scoring CVSS v3
| Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | |||
|---|---|---|---|
| Overall CVSS Score | 7.8 | ||
| Base Score | 7.8 | Environmental Score | 7.8 |
| impact SubScore | 5.9 | Temporal Score | 7.8 |
| Exploitabality Sub Score | 1.8 | ||
| Attack Vector | Local | Attack Complexity | Low |
| Privileges Required | Low | User Interaction | None |
| Scope | Unchanged | Confidentiality Impact | High |
| Integrity Impact | High | Availability Impact | High |
| Calculate full CVSS 3.0 Vectors scores | |||
Security-Database Scoring CVSS v2
| Cvss vector : (AV:L/AC:L/Au:N/C:C/I:C/A:C) | |||
|---|---|---|---|
| Cvss Base Score | 7.2 | Attack Range | Local |
| Cvss Impact Score | 10 | Attack Complexity | Low |
| Cvss Expoit Score | 3.9 | Authentication | None Required |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| An unauthorized access to the execution of the setuid file with capabilities flaw in the Linux kernel OverlayFS subsystem was found in the way user copying a capable file from a nosuid mount into another mount. A local user could use this flaw to escalate their privileges on the system. |
Original Source
| Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3847 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 100 % | CWE-281 | Improper Preservation of Permissions |
CPE : Common Platform Enumeration
Sources (Detail)
| Source | Url |
|---|
Alert History
| Date | Informations |
|---|---|
| 2025-03-29 02:53:29 |
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| 2025-03-28 13:26:19 |
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| 2025-03-28 02:38:54 |
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| 2025-03-19 02:36:41 |
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| 2025-03-18 02:46:31 |
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| 2025-03-14 02:36:51 |
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| 2025-02-22 02:44:26 |
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| 2025-01-08 02:31:54 |
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| 2025-01-07 02:31:31 |
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| 2024-12-25 02:30:49 |
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| 2024-12-12 02:33:12 |
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| 2024-11-28 13:59:57 |
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| 2024-11-21 21:48:01 |
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| 2024-11-20 02:29:13 |
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| 2024-11-14 02:28:52 |
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| 2024-11-09 02:29:36 |
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| 2024-10-26 02:27:36 |
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| 2024-10-25 02:29:18 |
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| 2024-10-23 02:28:44 |
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| 2024-10-03 02:25:21 |
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| 2024-10-02 02:23:47 |
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| 2024-09-04 02:23:19 |
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| 2024-08-22 02:21:52 |
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| 2024-08-02 13:27:49 |
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| 2024-08-02 01:26:23 |
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| 2024-03-12 13:18:59 |
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| 2024-02-02 02:27:55 |
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| 2024-02-01 12:24:37 |
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| 2024-01-12 02:20:34 |
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| 2023-12-29 02:18:36 |
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| 2023-11-22 02:17:59 |
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| 2023-09-29 13:12:40 |
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| 2023-09-05 13:22:19 |
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| 2023-09-05 01:24:07 |
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| 2023-09-02 13:20:43 |
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| 2023-09-02 01:24:29 |
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| 2023-08-12 13:26:47 |
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| 2023-08-12 01:23:42 |
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| 2023-08-11 13:19:03 |
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| 2023-08-11 01:24:30 |
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| 2023-08-06 13:16:59 |
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| 2023-08-06 01:23:26 |
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| 2023-08-04 13:17:23 |
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| 2023-08-04 01:23:47 |
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| 2023-07-14 13:17:27 |
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| 2023-07-14 01:23:35 |
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| 2023-06-06 13:09:28 |
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| 2023-05-17 13:03:02 |
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| 2023-04-13 02:07:30 |
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| 2023-04-07 13:04:34 |
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| 2023-03-29 02:19:33 |
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| 2023-03-28 12:23:48 |
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| 2023-03-25 02:07:20 |
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| 2023-01-25 02:07:32 |
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| 2023-01-20 02:07:03 |
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| 2022-12-17 02:05:31 |
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| 2022-10-11 13:09:03 |
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| 2022-10-11 01:23:14 |
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| 2022-09-09 02:07:07 |
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| 2022-06-24 02:00:54 |
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| 2022-06-23 02:00:14 |
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| 2022-05-12 01:58:30 |
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| 2022-04-12 00:23:03 |
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| 2022-04-02 09:22:51 |
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| 2022-04-02 05:22:56 |
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