Executive Summary

Informations
Name CVE-2020-1935 First vendor Publication 2020-02-24
Vendor Cve Last vendor Modification 2020-07-27

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Overall CVSS Score 4.8
Base Score 4.8 Environmental Score 4.8
impact SubScore 2.5 Temporal Score 4.8
Exploitabality Sub Score 2.2
 
Attack Vector Network Attack Complexity High
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact Low
Integrity Impact Low Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:P/I:P/A:N)
Cvss Base Score 5.8 Attack Range Network
Cvss Impact Score 4.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1935

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 480
Os 1

Sources (Detail)

Source Url
CONFIRM https://security.netapp.com/advisory/ntap-20200327-0005/
DEBIAN https://www.debian.org/security/2020/dsa-4673
https://www.debian.org/security/2020/dsa-4680
MISC https://www.oracle.com/security-alerts/cpujul2020.html
MLIST https://lists.apache.org/thread.html/r127f76181aceffea2bd4711b03c595d0f115f63...
https://lists.apache.org/thread.html/r441c1f30a252bf14b07396286f6abd8089ce424...
https://lists.apache.org/thread.html/r660cd379afe346f10d72c0eaa8459ccc95d83af...
https://lists.apache.org/thread.html/r7bc994c965a34876bd94d5ff15b4e1e30b6220a...
https://lists.apache.org/thread.html/r80e9c8417c77d52c62809168b96912bda70ddf7...
https://lists.apache.org/thread.html/ra5dee390ad2d60307b8362505c059cd6a726de4...
https://lists.apache.org/thread.html/rc31cbabb46cdc58bbdd8519a8f64b6236b2635a...
https://lists.apache.org/thread.html/rd547be0c9d821b4b1000a694b8e58ef9f5e2d66...
https://lists.debian.org/debian-lts-announce/2020/03/msg00006.html
https://lists.debian.org/debian-lts-announce/2020/05/msg00026.html
SUSE http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00025.html

Alert History

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Date Informations
2020-07-28 05:22:51
  • Multiple Updates
2020-07-26 17:22:45
  • Multiple Updates
2020-07-25 09:22:47
  • Multiple Updates
2020-07-25 05:22:48
  • Multiple Updates
2020-07-15 09:23:02
  • Multiple Updates
2020-05-29 05:22:48
  • Multiple Updates
2020-05-23 02:36:02
  • First insertion