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f5F5F5:K70052353
HistoryOct 21, 2021 - 12:00 a.m.

K70052353 : Apache Tomcat vulnerability CVE-2021-42340

2021-10-2100:00:00
my.f5.com
33

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

6.6 Medium

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.02 Low

EPSS

Percentile

87.7%

JSON

Security Advisory Description

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. (CVE-2021-42340)

Impact

There is no impact; F5 products are not affected by this vulnerability.

Related

veracode 1
nessus 17
osv 4
tomcat 4
atlassian 5
ibm 11
debiancve 1
cnvd 1
cisa 1
prion 1
kaspersky 2
debian 1
github 1
cve 1
openvas 4
redhatcve 1
amazon 1
ubuntucve 1
photon 4
redos 1
mageia 1
redhat 4
gentoo 1
rosalinux 1
oracle 3
veracode
veracode
Denial Of Service (DoS)
2021-10-15 08:23:36
nessus
nessus
Atlassian Jira < 8.13.18 / 8.14.0 < 8.20.6 / 8.21.0 (JRASERVER-73070)
2022-07-06 00:00:00
Apache Tomcat 10.1.0.M1 < 10.1.0.M6 vulnerability
2021-10-14 00:00:00
Amazon Linux 2 : tomcat (ALASTOMCAT9-2023-006)
2023-09-27 00:00:00
osv
osv
Missing Release of Resource after Effective Lifetime in Apache Tomcat
2021-10-15 18:51:34
BIT-tomcat-2021-42340
2024-03-06 11:09:50
CVE-2021-42340
2021-10-14 20:15:09
tomcat
tomcat
Fixed in Apache Tomcat 9.0.54
2021-10-01 00:00:00
Fixed in Apache Tomcat 8.5.72
2021-10-06 00:00:00
Fixed in Apache Tomcat 10.0.12
2021-10-01 00:00:00
atlassian
atlassian
Jira is affected by Tomcat CVE-2021-42340 - Denial of service via an OutOfMemoryError
2021-10-17 11:13:57
Denial of service via an OutOfMemoryError (Tomcat CVE-2021-42340)
2021-11-30 18:48:53
Jira is affected by Tomcat CVE-2021-42340 - Denial of service via an OutOfMemoryError
2021-10-17 11:13:57
ibm
ibm
Security Bulletin: Vulnerability in Apache Tomcat affects IBM SAN Volume Controller, IBM Storwize, IBM Spectrum Virtualize and IBM FlashSystem products
2023-03-29 01:48:02
Security Bulletin: Vulnerability in Apache Tomcat (CVE-2021-42340) affects HMC
2021-11-22 05:58:05
Security Bulletin: CVE-2021-42340 Apache Tomcat is vulnerable to a denial of service, caused by a memory leak flaw in WebSocket connections.
2022-01-14 21:33:57
debiancve
debiancve
CVE-2021-42340
2021-10-14 20:15:00
cnvd
cnvd
Apache Tomcat Resource Management Error Vulnerability (CNVD-2021-83785)
2021-10-18 00:00:00
cisa
cisa
Apache Releases Security Advisory for Tomcat  
2021-10-15 00:00:00
prion
prion
Memory corruption
2021-10-14 20:15:00
kaspersky
kaspersky
KLA12322 DoS vulnerability in Apache Tomcat
2021-10-06 00:00:00
KLA12321 DoS vulnerability in Apache Tomcat
2021-10-01 00:00:00
debian
debian
[SECURITY] [DSA 5009-1] tomcat9 security update
2021-11-12 14:35:56
github
github
Missing Release of Resource after Effective Lifetime in Apache Tomcat
2021-10-15 18:51:34
cve
cve
CVE-2021-42340
2021-10-14 20:15:00
openvas
openvas
Apache Tomcat DoS Vulnerability (Oct 2021) - Windows
2021-10-18 00:00:00
Debian: Security Advisory (DSA-5009-1)
2021-11-14 00:00:00
Apache Tomcat DoS Vulnerability (Oct 2021) - Linux
2021-10-18 00:00:00
redhatcve
redhatcve
CVE-2021-42340
2021-10-15 02:51:28
amazon
amazon
Important: tomcat8
2021-10-29 16:37:00
ubuntucve
ubuntucve
CVE-2021-42340
2021-10-14 00:00:00
photon
photon
Important Photon OS Security Update - PHSA-2021-0452
2021-11-24 00:00:00
Important Photon OS Security Update - PHSA-2021-0126
2021-11-10 00:00:00
Important Photon OS Security Update - PHSA-2021-4.0-0126
2021-11-10 00:00:00
redos
redos
ROS-20221103-06
2022-11-03 00:00:00
mageia
mageia
Updated tomcat packages fix security vulnerability
2021-10-23 13:05:28
redhat
redhat
(RHSA-2021:4861) Important: Red Hat JBoss Web Server 5.6.0 Security release
2021-11-30 14:19:46
(RHSA-2021:4863) Important: Red Hat JBoss Web Server 5.6.0 Security release
2021-11-30 14:21:16
(RHSA-2022:1179) Important: Red Hat support for Spring Boot 2.5.10 update
2022-04-12 19:02:50
gentoo
gentoo
Apache Tomcat: Multiple Vulnerabilities
2022-08-21 00:00:00
rosalinux
rosalinux
Advisory ROSA-SA-2023-2258
2023-10-21 16:49:43
oracle
oracle
Oracle Critical Patch Update Advisory - July 2022
2022-07-19 00:00:00
Oracle Critical Patch Update Advisory - January 2022
2022-01-18 00:00:00
Oracle Critical Patch Update Advisory - April 2022
2022-04-19 00:00:00

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

6.6 Medium

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.02 Low

EPSS

Percentile

87.7%

JSON
Related for F5:K70052353
veracode1nessus17osv4tomcat4atlassian5ibm11debiancve1cnvd1cisa1prion1kaspersky2debian1github1cve1openvas4redhatcve1amazon1ubuntucve1photon4redos1mageia1redhat4gentoo1rosalinux1oracle3