Attacker Value
Unknown
CVE-2020-1935
CVE-2020-1935
(Last updated November 08, 2023) ▾
MITRE ATT&CK
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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.
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CVSS V3 Severity and Metrics
Data provided by the National Vulnerability Database (NVD)
Base Score:
4.8 Medium
Impact Score:
2.5
Exploitability Score:
2.2
Attack Vector (AV):
Network
Attack Complexity (AC):
High
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
Low
Integrity (I):
Low
Availability (A):
None
General Information
Vendors
- apache,
- canonical,
- debian,
- netapp,
- opensuse,
- oracle
Products
- agile engineering data management 6.2.1.0,
- agile product lifecycle management 9.3.3,
- agile product lifecycle management 9.3.5,
- agile product lifecycle management 9.3.6,
- communications element manager 8.1.1,
- communications element manager 8.2.0,
- communications element manager 8.2.1,
- communications instant messaging server 10.0.1.4.0,
- data availability services -,
- debian linux 10.0,
- debian linux 8.0,
- debian linux 9.0,
- health sciences empirica inspections 1.0.1.2,
- health sciences empirica signal 7.3.3,
- hospitality guest access 4.2.0,
- hospitality guest access 4.2.1,
- hyperion infrastructure technology 11.1.2.4,
- instantis enterprisetrack,
- leap 15.1,
- mysql enterprise monitor,
- oncommand system manager,
- retail order broker 15.0,
- siebel ui framework,
- tomcat,
- tomcat 9.0.0,
- transportation management 6.3.7,
- ubuntu linux 16.04,
- workload manager 12.2.0.1,
- workload manager 18c,
- workload manager 19c
References
Advisory
