Executive Summary
| Informations | |||
|---|---|---|---|
| Name | CVE-2020-13934 | First vendor Publication | 2020-07-14 |
| 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:N/I:N/A:H | |||
|---|---|---|---|
| Overall CVSS Score | 7.5 | ||
| Base Score | 7.5 | Environmental Score | 7.5 |
| impact SubScore | 3.6 | Temporal Score | 7.5 |
| Exploitabality Sub Score | 3.9 | ||
| Attack Vector | Network | Attack Complexity | Low |
| Privileges Required | None | User Interaction | None |
| Scope | Unchanged | Confidentiality Impact | None |
| Integrity Impact | None | Availability Impact | High |
| Calculate full CVSS 3.0 Vectors scores | |||
Security-Database Scoring CVSS v2
| Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:P) | |||
|---|---|---|---|
| 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
| An h2c direct connection to Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M5 to 9.0.36 and 8.5.1 to 8.5.56 did not release the HTTP/1.1 processor after the upgrade to HTTP/2. If a sufficient number of such requests were made, an OutOfMemoryException could occur leading to a denial of service. |
Original Source
| Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13934 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 50 % | CWE-476 | NULL Pointer Dereference |
| 50 % | CWE-401 | Failure to Release Memory Before Removing Last Reference ('Memory Leak') |
CPE : Common Platform Enumeration
Snort® IPS/IDS
| Date | Description |
|---|---|
| 2020-10-22 | Apache Tomcat HTTP/2 denial of service attempt RuleID : 55801 - Revision : 1 - Type : SERVER-WEBAPP |
| 2020-10-22 | Apache Tomcat HTTP/2 denial of service attempt RuleID : 55800 - Revision : 1 - Type : SERVER-WEBAPP |
Sources (Detail)
Alert History
| Date | Informations |
|---|---|
| 2024-11-28 13:39:25 |
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| 2023-12-09 13:02:04 |
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| 2023-11-07 21:37:07 |
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| 2023-06-29 01:56:54 |
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| 2023-01-10 12:51:53 |
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| 2022-03-02 00:23:21 |
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| 2022-02-08 12:45:02 |
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| 2021-12-31 01:42:37 |
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| 2021-08-05 01:37:02 |
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| 2021-07-21 17:23:38 |
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| 2021-07-21 05:23:04 |
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| 2021-07-16 01:35:39 |
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| 2021-06-15 00:23:08 |
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| 2021-05-05 01:38:35 |
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| 2021-05-04 13:49:14 |
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| 2021-04-22 02:59:54 |
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| 2021-01-20 21:23:21 |
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| 2020-12-08 01:29:06 |
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| 2020-10-28 00:22:56 |
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| 2020-10-27 00:23:12 |
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| 2020-10-22 21:23:14 |
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| 2020-10-21 05:23:02 |
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| 2020-09-03 01:29:34 |
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| 2020-07-30 05:22:48 |
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| 2020-07-28 09:22:46 |
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| 2020-07-24 21:23:00 |
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| 2020-07-23 00:22:46 |
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| 2020-07-18 21:23:04 |
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| 2020-07-17 21:23:08 |
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| 2020-07-14 21:23:05 |
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