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CVE-2020-1935

CVE information

Published

4 years ago

Last Modified

4 months ago

CVSSv2.0 Severity

Medium

CVSSv3.1 Severity

Medium

Impact Analysis

Description

In Apache Tomcat 9.0.0.M1 to 9.0.30, 8.5.0 to 8.5.50 and 7.0.0 to 7.0.99 the HTTP header parsing code used an approach to end-of-line parsing that allowed some invalid HTTP headers to be parsed as valid. This led to a possibility of HTTP Request Smuggling if Tomcat was located behind a reverse proxy that incorrectly handled the invalid Transfer-Encoding header in a particular manner. Such a reverse proxy is considered unlikely..

CVSSv2.0 Score

Severity
Medium
Base Score
5.8/10
Exploit Score
8.6/10
Access Vector
Network
Access Complexity
Medium
Authentication Required
None
Impact Score
4.9/10
Confidentiality Impact
Partial
Availability Impact
None
Integrity Impact
Partial

CVSSv3.1 Score

Severity
Medium
Base Score
4.8/10
Exploit Score
2.2/10
Access Vector
Network
Access Complexity
High
Privileges Required
None
Impact Score
2.5/10
Confidentiality Impact
Low
Availability Impact
None
Integrity Impact
Low
Scope
Unchanged
User Interaction
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:a:apache:tomcat:9.0.0:milestone1:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:apache:tomcat:9.0.0:milestone10:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:apache:tomcat:9.0.0:milestone11:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:apache:tomcat:9.0.0:milestone12:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:apache:tomcat:9.0.0:milestone13:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:apache:tomcat:9.0.0:milestone14:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:apache:tomcat:9.0.0:milestone15:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:apache:tomcat:9.0.0:milestone16:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:apache:tomcat:9.0.0:milestone17:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:apache:tomcat:9.0.0:milestone18:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:apache:tomcat:9.0.0:milestone19:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:apache:tomcat:9.0.0:milestone2:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:apache:tomcat:9.0.0:milestone20:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:apache:tomcat:9.0.0:milestone21:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:apache:tomcat:9.0.0:milestone22:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:apache:tomcat:9.0.0:milestone23:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:apache:tomcat:9.0.0:milestone24:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:apache:tomcat:9.0.0:milestone25:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:apache:tomcat:9.0.0:milestone26:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:apache:tomcat:9.0.0:milestone27:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:apache:tomcat:9.0.0:milestone3:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:apache:tomcat:9.0.0:milestone4:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:apache:tomcat:9.0.0:milestone5:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:apache:tomcat:9.0.0:milestone6:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:apache:tomcat:9.0.0:milestone7:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:apache:tomcat:9.0.0:milestone8:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:apache:tomcat:9.0.0:milestone9:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*
  Yes
7.0.0 -
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*
  Yes
8.5.0 -
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*
  Yes
9.0.0 -
cpe:2.3:a:apache:tomcat:9.0.0:-:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
  Yes
- -
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:netapp:oncommand_system_manager:*:*:*:*:*:*:*:*
  Yes
3.0.0 -
cpe:2.3:a:netapp:data_availability_services:-:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:oracle:transportation_management:6.3.7:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:oracle:hospitality_guest_access:4.2.0:*:*:*:*:*:*:
  Yes
- -
cpe:2.3:a:oracle:hospitality_guest_access:4.2.1:*:*:*:*:*:*:
  Yes
- -
cpe:2.3:a:oracle:retail_order_broker:15.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:oracle:agile_product_lifecycle_management:9.3.3:*:
  Yes
- -
cpe:2.3:a:oracle:agile_product_lifecycle_management:9.3.5:*:
  Yes
- -
cpe:2.3:a:oracle:agile_product_lifecycle_management:9.3.6:*:
  Yes
- -
cpe:2.3:a:oracle:instantis_enterprisetrack:*:*:*:*:*:*:*:*
  Yes
17.1 -
cpe:2.3:a:oracle:health_sciences_empirica_signal:7.3.3:*:*:*
  Yes
- -
cpe:2.3:a:oracle:communications_instant_messaging_server:10.
  Yes
- -
cpe:2.3:a:oracle:communications_element_manager:8.2.0:*:*:*:
  Yes
- -
cpe:2.3:a:oracle:communications_element_manager:8.2.1:*:*:*:
  Yes
- -
cpe:2.3:a:oracle:communications_element_manager:8.1.1:*:*:*:
  Yes
- -
cpe:2.3:a:oracle:workload_manager:18c:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:oracle:workload_manager:19c:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:oracle:workload_manager:12.2.0.1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:oracle:hyperion_infrastructure_technology:11.1.2.4
  Yes
- -
cpe:2.3:a:oracle:mysql_enterprise_monitor:*:*:*:*:*:*:*:*
  Yes
8.0.0 -
cpe:2.3:a:oracle:agile_engineering_data_management:6.2.1.0:*
  Yes
- -
cpe:2.3:a:oracle:siebel_ui_framework:*:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:oracle:health_sciences_empirica_inspections:1.0.1.
  Yes
- -
cpe:2.3:a:oracle:mysql_enterprise_monitor:*:*:*:*:*:*:*:*
  Yes
4.0.0 -