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
0.922 High
EPSS
Percentile
98.9%
h3. Issue Summary
This vulnerability uses “(a) specially crafted sequence of HTTP/2 requests” to “trigger high CPU usage for several seconds.” A large number of these HTTP/2 requests could be used to make an application unresponsive.
h3. Versions Affected:
h3. Versions affected:
h3. Notes
h3. Mitigation
CPE | Name | Operator | Version |
---|---|---|---|
confluence data center | le | 7.5.2 | |
confluence data center | lt | 7.7.4 | |
confluence data center | lt | 7.8.0 |
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
0.922 High
EPSS
Percentile
98.9%