Executive Summary

Informations
Name CVE-2021-42340 First vendor Publication 2021-10-14
Vendor Cve Last vendor Modification 2022-05-02

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

The fix for bug 63362 present in Apache Tomcat 10.1.0-M1 to 10.1.0-M5, 10.0.0-M1 to 10.0.11, 9.0.40 to 9.0.53 and 8.5.60 to 8.5.71 introduced a memory leak. The object introduced to collect metrics for HTTP upgrade connections was not released for WebSocket connections once the connection was closed. This created a memory leak that, over time, could lead to a denial of service via an OutOfMemoryError.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42340

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-772 Missing Release of Resource after Effective Lifetime

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 542
Application 1
Application 1
Application 8
Application 1
Application 1
Application 2
Application 2
Application 2
Application 1
Application 2
Application 6
Application 2
Application 1
Os 1

Sources (Detail)

Source Url
CONFIRM https://kc.mcafee.com/corporate/index?page=content&id=SB10379
https://security.netapp.com/advisory/ntap-20211104-0001/
DEBIAN https://www.debian.org/security/2021/dsa-5009
MISC https://lists.apache.org/thread.html/r83a35be60f06aca2065f188ee542b9099695d57...
https://www.oracle.com/security-alerts/cpuapr2022.html
https://www.oracle.com/security-alerts/cpujan2022.html
MLIST https://lists.apache.org/thread.html/r8097a2d1550aa78e585fc77e602b9046e6d4099...

Alert History

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Date Informations
2022-05-13 02:00:15
  • Multiple Updates
2022-05-03 00:23:05
  • Multiple Updates
2022-04-20 09:23:13
  • Multiple Updates
2022-03-29 21:23:10
  • Multiple Updates
2022-03-23 12:52:59
  • Multiple Updates
2022-02-07 21:23:11
  • Multiple Updates
2021-12-31 01:51:41
  • Multiple Updates
2021-12-04 09:23:03
  • Multiple Updates
2021-11-13 05:23:05
  • Multiple Updates
2021-11-10 09:23:22
  • Multiple Updates
2021-11-05 21:23:05
  • Multiple Updates
2021-11-04 12:48:47
  • Multiple Updates
2021-10-21 17:22:55
  • Multiple Updates
2021-10-20 21:22:51
  • Multiple Updates
2021-10-15 13:22:51
  • Multiple Updates
2021-10-15 00:22:54
  • First insertion