← Back

CVE-2020-1935

nvd nist
Published: Feb 24, 2020Modified: Jun 17, 2026

JSON object

Loading...
4.8
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Exploitability: 2.2 / Impact: 2.5
Source: NVD

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.

Affected (60)

Products: Apache: Tomcat · Debian: Debian Linux · Canonical: Ubuntu Linux · +3 more
Show all products
1 product
Tomcat
1 product
Debian Linux
1 product
Ubuntu Linux
1 product
Leap
2 products
Data Availability Services
Oncommand System Manager
14 products
Agile Engineering Data Management
Communications Element Manager
Health Sciences Empirica Signal
Hospitality Guest Access
Instantis Enterprisetrack
Mysql Enterprise Monitor
Retail Order Broker
Siebel Ui Framework
Transportation Management
Workload Manager
Configuration A
31 vulnerable
Vulnerable SoftwareAffected Versions
Apache
From 7.0.0 to 7.0.99
From 8.5.0 to 8.5.50
From 9.0.0 to 9.0.30
Version 9.0.0
Version 9.0.0 milestone10
Version 9.0.0 milestone11
Version 9.0.0 milestone12
Version 9.0.0 milestone13
Version 9.0.0 milestone14
Version 9.0.0 milestone15
Version 9.0.0 milestone16
Version 9.0.0 milestone17
Version 9.0.0 milestone18
Version 9.0.0 milestone19
Version 9.0.0 milestone1
Version 9.0.0 milestone20
Version 9.0.0 milestone21
Version 9.0.0 milestone22
Version 9.0.0 milestone23
Version 9.0.0 milestone24
Version 9.0.0 milestone25
Version 9.0.0 milestone26
Version 9.0.0 milestone27
Version 9.0.0 milestone2
Version 9.0.0 milestone3
Version 9.0.0 milestone4
Version 9.0.0 milestone5
Version 9.0.0 milestone6
Version 9.0.0 milestone7
Version 9.0.0 milestone8
Version 9.0.0 milestone9
Configuration B
3 vulnerable
Vulnerable SoftwareAffected Versions
Debian
Version 10.0
Version 8.0
Version 9.0
Configuration C
1 vulnerable
Vulnerable SoftwareAffected Versions
Version 16.04
Configuration D
1 vulnerable
Vulnerable SoftwareAffected Versions
Version 15.1
Configuration E
2 vulnerable
Vulnerable SoftwareAffected Versions
All versions
From 3.0.0 to 3.1.3
Configuration F
22 vulnerable

References (38)

Source: security@apache.org
Broken LinkMailing ListThird Party Advisory
Source: security@apache.org
Mailing ListThird Party Advisory
Source: security@apache.org
Mailing ListThird Party Advisory
Source: security@apache.org
Third Party Advisory
Source: security@apache.org
Third Party Advisory
Source: security@apache.org
Third Party Advisory
Source: security@apache.org
Third Party Advisory
Source: security@apache.org
Third Party Advisory
Source: security@apache.org
Third Party Advisory
Source: security@apache.org
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Broken LinkMailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.