4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack 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
5.9 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
5.8 Medium
AI Score
Confidence
High
0.007 Low
EPSS
Percentile
79.7%
In Apache HTTP Server 2.4.17 to 2.4.34, by sending continuous, large SETTINGS frames a client can occupy a connection, server thread and CPU time without any connection timeout coming to effect. This affects only HTTP/2 connections. A possible mitigation is to not enable the h2 protocol.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Alpine | edge-main | noarch | apache2 | < 2.4.35-r0 | UNKNOWN |
Alpine | 3.10-main | noarch | apache2 | < 2.4.35-r0 | UNKNOWN |
Alpine | 3.11-main | noarch | apache2 | < 2.4.35-r0 | UNKNOWN |
Alpine | 3.12-main | noarch | apache2 | < 2.4.35-r0 | UNKNOWN |
Alpine | 3.13-main | noarch | apache2 | < 2.4.35-r0 | UNKNOWN |
Alpine | 3.14-main | noarch | apache2 | < 2.4.35-r0 | UNKNOWN |
Alpine | 3.15-main | noarch | apache2 | < 2.4.35-r0 | UNKNOWN |
Alpine | 3.16-main | noarch | apache2 | < 2.4.35-r0 | UNKNOWN |
Alpine | 3.17-main | noarch | apache2 | < 2.4.35-r0 | UNKNOWN |
Alpine | 3.18-main | noarch | apache2 | < 2.4.35-r0 | UNKNOWN |
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack 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
5.9 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
5.8 Medium
AI Score
Confidence
High
0.007 Low
EPSS
Percentile
79.7%