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
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
0.004 Low
EPSS
Percentile
74.7%
Issue Overview:
A flaw was found in Apache Tomcat. When Tomcat was configured to use NIO+OpenSSL or NIO2+OpenSSL for TLS, a specially crafted packet can trigger an infinite loop, resulting in a denial of service. The highest threat from this vulnerability is to system availability. (CVE-2021-41079)
Affected Packages:
tomcat8
Issue Correction:
Run yum update tomcat8 to update your system.
New Packages:
noarch:
tomcat8-el-3.0-api-8.5.69-1.88.amzn1.noarch
tomcat8-docs-webapp-8.5.69-1.88.amzn1.noarch
tomcat8-jsp-2.3-api-8.5.69-1.88.amzn1.noarch
tomcat8-javadoc-8.5.69-1.88.amzn1.noarch
tomcat8-lib-8.5.69-1.88.amzn1.noarch
tomcat8-servlet-3.1-api-8.5.69-1.88.amzn1.noarch
tomcat8-8.5.69-1.88.amzn1.noarch
tomcat8-admin-webapps-8.5.69-1.88.amzn1.noarch
tomcat8-log4j-8.5.69-1.88.amzn1.noarch
tomcat8-webapps-8.5.69-1.88.amzn1.noarch
src:
tomcat8-8.5.69-1.88.amzn1.src
Red Hat: CVE-2021-41079
Mitre: CVE-2021-41079
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
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
0.004 Low
EPSS
Percentile
74.7%