Executive Summary

Informations
Name CVE-2020-11996 First vendor Publication 2020-06-26
Vendor Cve Last vendor Modification 2020-07-26

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

A specially crafted sequence of HTTP/2 requests sent to Apache Tomcat 10.0.0-M1 to 10.0.0-M5, 9.0.0.M1 to 9.0.35 and 8.5.0 to 8.5.55 could trigger high CPU usage for several seconds. If a sufficient number of such requests were made on concurrent HTTP/2 connections, the server could become unresponsive.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11996

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-400 Uncontrolled Resource Consumption ('Resource Exhaustion')

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 485

Sources (Detail)

Source Url
CONFIRM https://lists.apache.org/thread.html/r5541ef6b6b68b49f76fc4c45695940116da2bcb...
https://security.netapp.com/advisory/ntap-20200709-0002/
DEBIAN https://www.debian.org/security/2020/dsa-4727
MLIST https://lists.apache.org/thread.html/r3ea96d8f36dd404acce83df8aeb22a9e807d6c1...
https://lists.apache.org/thread.html/r6c29801370a36c1a5159679269777ad0c73276d...
https://lists.apache.org/thread.html/r74f5a8204efe574cbfcd95b2a16236fe95beb45...
https://lists.apache.org/thread.html/r8f3d416c193bc9384a8a7dd368623d441f5fcaf...
https://lists.apache.org/thread.html/r8f7484589454638af527182ae55ef5b628ba00c...
https://lists.apache.org/thread.html/r93ca628ef3a4530dfe5ac49fddc795f0920a4b2...
https://lists.apache.org/thread.html/r9ad911fe49450ed9405827af0e7a74104041081...
https://lists.apache.org/thread.html/ra7092f7492569b39b04ec0decf52628ba86c51f...
https://lists.apache.org/thread.html/rb4ee49ecc4c59620ffd5e66e84a17e526c2c3cf...
https://lists.apache.org/thread.html/rb820f1a2a02bf07414be12c653c2ab5321fd87b...
https://lists.apache.org/thread.html/rc80b96b4b96618b2b7461cb90664a428cfd6605...
https://lists.apache.org/thread.html/rea65d6ef2e45dd1c45faae83922042732866c7b...
https://lists.apache.org/thread.html/ref0339792ac6dac1dba83c071a727ad72380899...
https://lists.debian.org/debian-lts-announce/2020/07/msg00010.html
SUSE http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00064.html
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00072.html

Alert History

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Date Informations
2020-07-27 00:22:39
  • Multiple Updates
2020-07-24 09:22:44
  • Multiple Updates
2020-07-18 21:23:03
  • Multiple Updates
2020-07-13 05:22:43
  • Multiple Updates
2020-07-09 13:22:43
  • Multiple Updates
2020-07-04 05:22:42
  • Multiple Updates
2020-07-03 00:22:47
  • Multiple Updates
2020-07-01 21:23:02
  • Multiple Updates
2020-06-28 17:22:39
  • Multiple Updates
2020-06-26 21:23:02
  • First insertion