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-2021-22915 | First vendor Publication | 2021-06-11 |
| Vendor | Cve | Last vendor Modification | 2024-11-21 |
Security-Database Scoring CVSS v3
| Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | |||
|---|---|---|---|
| Overall CVSS Score | 9.8 | ||
| Base Score | 9.8 | Environmental Score | 9.8 |
| impact SubScore | 5.9 | Temporal Score | 9.8 |
| Exploitabality Sub Score | 3.9 | ||
| Attack Vector | Network | Attack Complexity | Low |
| Privileges Required | None | 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:N/AC:L/Au:N/C:P/I:N/A:N) | |||
|---|---|---|---|
| Cvss Base Score | 5 | Attack Range | Network |
| Cvss Impact Score | 2.9 | Attack Complexity | Low |
| Cvss Expoit Score | 10 | Authentication | None Required |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| Nextcloud server before 19.0.11, 20.0.10, 21.0.2 is vulnerable to brute force attacks due to lack of inclusion of IPv6 subnets in rate-limiting considerations. This could potentially result in an attacker bypassing rate-limit controls such as the Nextcloud brute-force protection. |
Original Source
| Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22915 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 100 % | CWE-307 | Improper Restriction of Excessive Authentication Attempts (CWE/SANS Top 25) |
CPE : Common Platform Enumeration
Sources (Detail)
Alert History
| Date | Informations |
|---|---|
| 2025-07-15 01:42:25 |
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| 2025-07-14 12:13:16 |
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| 2025-06-26 01:41:33 |
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| 2025-06-25 12:13:03 |
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| 2025-03-29 02:46:13 |
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| 2025-03-28 13:24:25 |
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| 2024-11-28 13:52:50 |
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| 2024-08-02 13:22:18 |
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| 2024-08-02 01:24:40 |
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| 2024-02-02 02:22:40 |
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| 2024-02-01 12:23:01 |
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| 2023-11-07 21:34:40 |
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| 2023-09-05 13:16:55 |
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| 2023-09-05 01:22:35 |
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| 2023-09-02 13:15:38 |
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| 2023-09-02 01:22:55 |
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| 2023-08-12 13:21:33 |
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| 2023-08-12 01:22:07 |
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| 2023-08-11 13:14:04 |
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| 2023-08-11 01:22:49 |
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| 2023-08-06 13:12:08 |
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| 2023-08-06 01:21:52 |
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| 2023-08-04 13:12:30 |
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| 2023-08-04 01:22:13 |
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| 2023-07-14 13:12:32 |
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| 2023-07-14 01:22:02 |
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| 2023-05-12 02:04:52 |
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| 2023-04-04 02:04:13 |
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| 2023-03-29 02:14:51 |
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| 2023-03-28 12:22:16 |
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| 2022-12-06 01:57:50 |
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| 2022-10-11 13:04:49 |
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| 2022-10-11 01:21:49 |
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| 2022-07-15 01:57:34 |
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| 2021-09-20 17:23:09 |
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| 2021-08-05 01:42:11 |
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| 2021-07-09 13:22:54 |
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| 2021-06-23 21:23:15 |
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| 2021-06-11 21:23:07 |
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