CVE-2018-11763
CVSS v3
5.9
MEDIUM
EPSS Score
17.4 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
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.
Technical details
- Published
- 2018-09-25
Frequently asked questions
What is CVE-2018-11763?
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.
Is CVE-2018-11763 actively exploited?
Active exploitation of CVE-2018-11763 has not been confirmed. The EPSS score is 17.4%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-11763?
CVE-2018-11763 has a CVSS v3 base score of 5.9 (MEDIUM severity).
Is CVE-2018-11763 affecting your environment?
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