Lucene search
+L
Catalog
Vendors
Products
Timeline
Vulnerabilities
Sources
Documentation
Blog
Glossary
FAQ
Brand assets
Assessment
Agents dashboard
Agent Scanning
API Scanning
Assessment API
Alerts
Email notifications
Webhook notifications
Alerts API
SBOM package analysis
API Reference
Support
Settings
Sign in

CVE-2020-13943

🗓️ 12 Oct 2020 14:15:12Reported by [email protected]Type 
nvd
 nvd🔗 web.nvd.nist.gov👁 21 Views

HTTP/2 client exceeding concurrent streams in Apache Tomcat 10.0.0-M1 to 10.0.0-M7, 9.0.0.M1 to 9.0.37, or 8.5.0 to 8.5.57 may lead to header mix-u

Related
Detection
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: Apache Tomcat vulnerabilities affect IBM Watson Text to Speech and Speech to Text (IBM Watson Speech Services for Cloud Pak for Data 1.2)
16 Dec 202017:45
–ibm
IBM Security Bulletins		Security Bulletin: Apache Tomcat as used by IBM QRadar SIEM is vulnerable to information disclosure (CVE-2020-13943)
4 May 202117:48
–ibm
IBM Security Bulletins		Security Bulletin: App Connect Professional is affected by Apache Tomcat vulnerabilities.
20 Jan 202106:14
–ibm
IBM Security Bulletins		Security Bulletin: IBM® Engineering Requirements Management DOORS/DWA vulnerabilities addressed in 9.7.2.8
18 Oct 202407:56
–ibm
IBM Security Bulletins		Security Bulletin: Multiple Apache Tomcat Vulnerabilities Affect IBM Control Center
14 May 202121:27
–ibm
IBM Security Bulletins		Security Bulletin: IBM Data Risk Manager is affected by multiple vulnerabilities
2 Feb 202105:06
–ibm
Tenable Nessus		Apache Tomcat < 10.0.0-M8 Vulnerability
14 Apr 202100:00
–nessus
Tenable Nessus		Amazon Linux 2 : tomcat (ALASTOMCAT8.5-2023-011)
27 Sep 202300:00
–nessus
Tenable Nessus		Debian DLA-2407-1 : tomcat8 security update
15 Oct 202000:00
–nessus
Tenable Nessus		Debian DSA-4835-1 : tomcat9 - security update
25 Jan 202100:00
–nessus
Rows per page
NVD
Node
OR
apachetomcatMatch8.5.0
apachetomcatMatch8.5.1
apachetomcatMatch8.5.2
apachetomcatMatch8.5.3
apachetomcatMatch8.5.4
apachetomcatMatch8.5.5
apachetomcatMatch8.5.6
apachetomcatMatch8.5.7
apachetomcatMatch8.5.8
apachetomcatMatch8.5.9
apachetomcatMatch8.5.10
apachetomcatMatch8.5.11
apachetomcatMatch8.5.12
apachetomcatMatch8.5.13
apachetomcatMatch8.5.14
apachetomcatMatch8.5.15
apachetomcatMatch8.5.16
apachetomcatMatch8.5.17
apachetomcatMatch8.5.18
apachetomcatMatch8.5.19
apachetomcatMatch8.5.20
apachetomcatMatch8.5.21
apachetomcatMatch8.5.22
apachetomcatMatch8.5.23
apachetomcatMatch8.5.24
apachetomcatMatch8.5.25
apachetomcatMatch8.5.26
apachetomcatMatch8.5.27
apachetomcatMatch8.5.28
apachetomcatMatch8.5.29
apachetomcatMatch8.5.30
apachetomcatMatch8.5.31
apachetomcatMatch8.5.32
apachetomcatMatch8.5.33
apachetomcatMatch8.5.34
apachetomcatMatch8.5.35
apachetomcatMatch8.5.36
apachetomcatMatch8.5.37
apachetomcatMatch8.5.38
apachetomcatMatch8.5.39
apachetomcatMatch8.5.40
apachetomcatMatch8.5.41
apachetomcatMatch8.5.42
apachetomcatMatch8.5.43
apachetomcatMatch8.5.44
apachetomcatMatch8.5.45
apachetomcatMatch8.5.46
apachetomcatMatch8.5.47
apachetomcatMatch8.5.48
apachetomcatMatch8.5.49
apachetomcatMatch8.5.50
apachetomcatMatch8.5.51
apachetomcatMatch8.5.52
apachetomcatMatch8.5.53
apachetomcatMatch8.5.54
apachetomcatMatch8.5.55
apachetomcatMatch8.5.56
apachetomcatMatch8.5.57
apachetomcatMatch9.0.0milestone10
apachetomcatMatch9.0.0milestone11
apachetomcatMatch9.0.0milestone12
apachetomcatMatch9.0.0milestone13
apachetomcatMatch9.0.0milestone14
apachetomcatMatch9.0.0milestone15
apachetomcatMatch9.0.0milestone16
apachetomcatMatch9.0.0milestone17
apachetomcatMatch9.0.0milestone18
apachetomcatMatch9.0.0milestone19
apachetomcatMatch9.0.0milestone20
apachetomcatMatch9.0.0milestone21
apachetomcatMatch9.0.0milestone22
apachetomcatMatch9.0.0milestone23
apachetomcatMatch9.0.0milestone24
apachetomcatMatch9.0.0milestone25
apachetomcatMatch9.0.0milestone26
apachetomcatMatch9.0.0milestone27
apachetomcatMatch9.0.0milestone5
apachetomcatMatch9.0.0milestone6
apachetomcatMatch9.0.0milestone7
apachetomcatMatch9.0.0milestone8
apachetomcatMatch9.0.0milestone9
apachetomcatMatch9.0.1
apachetomcatMatch9.0.2
apachetomcatMatch9.0.3
apachetomcatMatch9.0.4
apachetomcatMatch9.0.5
apachetomcatMatch9.0.6
apachetomcatMatch9.0.7
apachetomcatMatch9.0.8
apachetomcatMatch9.0.9
apachetomcatMatch9.0.10
apachetomcatMatch9.0.11
apachetomcatMatch9.0.12
apachetomcatMatch9.0.13
apachetomcatMatch9.0.14
apachetomcatMatch9.0.15
apachetomcatMatch9.0.16
apachetomcatMatch9.0.17
apachetomcatMatch9.0.18
apachetomcatMatch9.0.19
apachetomcatMatch9.0.20
apachetomcatMatch9.0.21
apachetomcatMatch9.0.22
apachetomcatMatch9.0.23
apachetomcatMatch9.0.24
apachetomcatMatch9.0.25
apachetomcatMatch9.0.26
apachetomcatMatch9.0.27
apachetomcatMatch9.0.28
apachetomcatMatch9.0.29
apachetomcatMatch9.0.30
apachetomcatMatch9.0.31
apachetomcatMatch9.0.32
apachetomcatMatch9.0.33
apachetomcatMatch9.0.34
apachetomcatMatch9.0.35
apachetomcatMatch9.0.36
apachetomcatMatch9.0.37
apachetomcatMatch10.0.0milestone1
apachetomcatMatch10.0.0milestone2
apachetomcatMatch10.0.0milestone3
apachetomcatMatch10.0.0milestone4
apachetomcatMatch10.0.0milestone5
apachetomcatMatch10.0.0milestone6
apachetomcatMatch10.0.0milestone7
Node
OR
debiandebian_linuxMatch9.0
debiandebian_linuxMatch10.0
Node
OR
oracleinstantis_enterprisetrackMatch17.1
oracleinstantis_enterprisetrackMatch17.2
oracleinstantis_enterprisetrackMatch17.3
oraclesd-wan_edgeMatch9.0

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

Book a live demo
17 Jun 2026 02:53Current
CVSS 24
CVSS 3.14.3
EPSS0.57286
http/2apache tomcatcve-2020-13943concurrent streams
21