VULNERABILITY INTELLIGENCE

CVE-2020-11996

CVSS score7.5 HIGH
EPSS probability26.70%
CISA KEVNot currently listed
Published2020-06-26
Last modified2026-10-08
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

A specially crafted sequence of HTTP/2 requests sent to Apache Tomcat 10.0.0-M1 to 10.0.0-M5, 9.0.0.M1 to 9.0.35 and 8.5.0 to 8.5.55 could trigger high CPU usage for several seconds. If a sufficient number of such requests were made on concurrent HTTP/2 connections, the server could become unresponsive.

Weakness classification

  • nvd@nist.gov: NVD-CWE-noinfo

Primary references