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
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
0.019 Low
EPSS
Percentile
88.1%
Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to impact the application’s availability via CVE-2021-42340, a Denial of Service (DoS) vulnerability in Apache Tomcat.
The affected versions of Atlassian Jira Server and Data Center are before version 8.21.0.
Affected versions:
Fixed versions:
h3. Workaround
CPE | Name | Operator | Version |
---|---|---|---|
jira data center | le | 8.20.1 | |
jira data center | lt | 8.21.0 | |
jira data center | lt | 8.13.18 | |
jira data center | lt | 8.20.6 |
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
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
0.019 Low
EPSS
Percentile
88.1%