CVE-2020-11996

UNKNOWN

Published 2020-06-26T16:27:20

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No CVSS data available

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Apache

Apache Tomcat

Affected Versions:

10.0.0-M1 to 10.0.0-M5 9.0.0.M1 to 9.0.35 8.5.0 to 8.5.55

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed HIGH

Uncontrolled Resource Consumption in Apache Tomcat

GHSA-53hp-jpwq-2jgq

Advisory Details

Affected Packages

Maven org.apache.tomcat:tomcat

ECOSYSTEM: ≥10.0.0-M1 <10.0.0-M5

Maven org.apache.tomcat:tomcat

ECOSYSTEM: ≥9.0.0.M1 <9.0.35

Maven org.apache.tomcat:tomcat

ECOSYSTEM: ≥8.5.0 <8.5.55

CVSS Scoring

CVSS Score

7.5

CVSS Vector


                                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2020-11996

WEB https://github.com/apache/tomcat/commit/9434a44d3449d620b1be70206819f8275b4a7509

WEB https://github.com/apache/tomcat/commit/9a0231683a77e2957cea0fdee88b193b30b0c976

WEB https://github.com/apache/tomcat/commit/c8acd2ab7371e39aeca7c306f3b5380f00afe552

WEB https://lists.apache.org/thread.html/rb820f1a2a02bf07414be12c653c2ab5321fd87b9bf6c5e635c53ff4b@%3Cnotifications.ofbiz.apache.org%3E

WEB https://lists.apache.org/thread.html/rc80b96b4b96618b2b7461cb90664a428cfd6605eea9f74e51b792542@%3Cnotifications.ofbiz.apache.org%3E

WEB https://lists.apache.org/thread.html/rea65d6ef2e45dd1c45faae83922042732866c7b88fa109b76c83db52@%3Cnotifications.ofbiz.apache.org%3E

WEB https://lists.apache.org/thread.html/ref0339792ac6dac1dba83c071a727ad72380899bde60f6aaad4031b9@%3Cnotifications.ofbiz.apache.org%3E

WEB https://lists.debian.org/debian-lts-announce/2020/07/msg00010.html

WEB https://security.netapp.com/advisory/ntap-20200709-0002

WEB https://tomcat.apache.org/security-10.html

WEB https://tomcat.apache.org/security-8.html

WEB https://tomcat.apache.org/security-9.html

WEB https://usn.ubuntu.com/4596-1

WEB https://www.debian.org/security/2020/dsa-4727

WEB https://www.oracle.com/security-alerts/cpujan2021.html

WEB https://www.oracle.com/security-alerts/cpuoct2020.html

WEB https://lists.apache.org/thread.html/rb4ee49ecc4c59620ffd5e66e84a17e526c2c3cfa95d0cd682d90d338@%3Cnotifications.ofbiz.apache.org%3E

WEB https://lists.apache.org/thread.html/ra7092f7492569b39b04ec0decf52628ba86c51f15efb38f5853e2760@%3Cnotifications.ofbiz.apache.org%3E

WEB https://lists.apache.org/thread.html/r9ad911fe49450ed9405827af0e7a74104041081ff91864b1f2546bbd@%3Cnotifications.ofbiz.apache.org%3E

WEB https://lists.apache.org/thread.html/r93ca628ef3a4530dfe5ac49fddc795f0920a4b2a408b57a30926a42b@%3Ccommits.ofbiz.apache.org%3E

WEB https://lists.apache.org/thread.html/r8f7484589454638af527182ae55ef5b628ba00c05c5b11887c922fb1@%3Cnotifications.ofbiz.apache.org%3E

WEB https://lists.apache.org/thread.html/r8f3d416c193bc9384a8a7dd368623d441f5fcaff1057115008100561@%3Ccommits.ofbiz.apache.org%3E

WEB https://lists.apache.org/thread.html/r74f5a8204efe574cbfcd95b2a16236fe95beb45c4d9fee3dc789dca9@%3Ccommits.ofbiz.apache.org%3E

WEB https://lists.apache.org/thread.html/r6c29801370a36c1a5159679269777ad0c73276d3015b8bbefea66e5c@%3Cnotifications.ofbiz.apache.org%3E

WEB https://lists.apache.org/thread.html/r5a4f80a6acc6607d61dae424b643b594c6188dd4e1eff04705c10db2@%3Cnotifications.ofbiz.apache.org%3E

WEB https://lists.apache.org/thread.html/r5541ef6b6b68b49f76fc4c45695940116da2bcbe0312ef204a00a2e0%40%3Cannounce.tomcat.apache.org%3E

WEB https://lists.apache.org/thread.html/r3ea96d8f36dd404acce83df8aeb22a9e807d6c13ca9c5dec72f872cd@%3Cnotifications.ofbiz.apache.org%3E

WEB https://lists.apache.org/thread.html/r2529016c311ce9485e6f173446d469600fdfbb94dccadfcd9dfdac79@%3Cusers.tomcat.apache.org%3E

PACKAGE https://github.com/apache/tomcat

WEB http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00064.html

WEB http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00072.html

Advisory provided by GitHub Security Advisory Database. Published: February 9, 2022, Modified: March 11, 2024

References

https://lists.apache.org/thread.html/r5541ef6b6b68b49f76fc4c45695940116da2bcbe0312ef204a00a2e0%40%3Cannounce.tomcat.apache.org%3E

https://lists.apache.org/thread.html/ra7092f7492569b39b04ec0decf52628ba86c51f15efb38f5853e2760%40%3Cnotifications.ofbiz.apache.org%3E

https://lists.apache.org/thread.html/rb4ee49ecc4c59620ffd5e66e84a17e526c2c3cfa95d0cd682d90d338%40%3Cnotifications.ofbiz.apache.org%3E

https://lists.apache.org/thread.html/rb820f1a2a02bf07414be12c653c2ab5321fd87b9bf6c5e635c53ff4b%40%3Cnotifications.ofbiz.apache.org%3E

https://lists.apache.org/thread.html/r8f7484589454638af527182ae55ef5b628ba00c05c5b11887c922fb1%40%3Cnotifications.ofbiz.apache.org%3E

https://lists.apache.org/thread.html/r74f5a8204efe574cbfcd95b2a16236fe95beb45c4d9fee3dc789dca9%40%3Ccommits.ofbiz.apache.org%3E

https://lists.apache.org/thread.html/rea65d6ef2e45dd1c45faae83922042732866c7b88fa109b76c83db52%40%3Cnotifications.ofbiz.apache.org%3E

https://lists.apache.org/thread.html/rc80b96b4b96618b2b7461cb90664a428cfd6605eea9f74e51b792542%40%3Cnotifications.ofbiz.apache.org%3E

https://lists.apache.org/thread.html/r93ca628ef3a4530dfe5ac49fddc795f0920a4b2a408b57a30926a42b%40%3Ccommits.ofbiz.apache.org%3E

https://lists.apache.org/thread.html/r8f3d416c193bc9384a8a7dd368623d441f5fcaff1057115008100561%40%3Ccommits.ofbiz.apache.org%3E

https://lists.apache.org/thread.html/r9ad911fe49450ed9405827af0e7a74104041081ff91864b1f2546bbd%40%3Cnotifications.ofbiz.apache.org%3E

https://lists.apache.org/thread.html/ref0339792ac6dac1dba83c071a727ad72380899bde60f6aaad4031b9%40%3Cnotifications.ofbiz.apache.org%3E

https://lists.apache.org/thread.html/r6c29801370a36c1a5159679269777ad0c73276d3015b8bbefea66e5c%40%3Cnotifications.ofbiz.apache.org%3E

https://lists.apache.org/thread.html/r3ea96d8f36dd404acce83df8aeb22a9e807d6c13ca9c5dec72f872cd%40%3Cnotifications.ofbiz.apache.org%3E

https://lists.debian.org/debian-lts-announce/2020/07/msg00010.html

https://www.debian.org/security/2020/dsa-4727

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00064.html

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00072.html

https://lists.apache.org/thread.html/r2529016c311ce9485e6f173446d469600fdfbb94dccadfcd9dfdac79%40%3Cusers.tomcat.apache.org%3E

https://www.oracle.com/security-alerts/cpuoct2020.html

https://security.netapp.com/advisory/ntap-20200709-0002/

https://usn.ubuntu.com/4596-1/

https://www.oracle.com/security-alerts/cpujan2021.html

https://lists.apache.org/thread.html/r5a4f80a6acc6607d61dae424b643b594c6188dd4e1eff04705c10db2%40%3Cnotifications.ofbiz.apache.org%3E

Published: 2020-06-26T16:27:20

Last Modified: 2024-08-04T11:48:57.318Z

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CVE-2020-11996

Expert Analysis

Description

Available Exploits

Related News

Affected Products

Apache Tomcat

Affected Versions:

GitHub Security Advisories

Uncontrolled Resource Consumption in Apache Tomcat

Advisory Details

Affected Packages

CVSS Scoring

CVSS Score

CVSS Vector

References

References

Request Analysis

What to expect

Request Received!