Executive Summary

Informations
Name CVE-2021-33037 First vendor Publication 2021-07-12
Vendor Cve Last vendor Modification 2021-09-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Overall CVSS Score 5.3
Base Score 5.3 Environmental Score 5.3
impact SubScore 1.4 Temporal Score 5.3
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact Low Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:P/A:N)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Apache Tomcat 10.0.0-M1 to 10.0.6, 9.0.0.M1 to 9.0.46 and 8.5.0 to 8.5.66 did not correctly parse the HTTP transfer-encoding request header in some circumstances leading to the possibility to request smuggling when used with a reverse proxy. Specifically: - Tomcat incorrectly ignored the transfer encoding header if the client declared it would only accept an HTTP/1.0 response; - Tomcat honoured the identify encoding; and - Tomcat did not ensure that, if present, the chunked encoding was the final encoding.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33037

CWE : Common Weakness Enumeration

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

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 536
Application 1
Application 6
Os 2

Sources (Detail)

Source Url
CONFIRM https://security.netapp.com/advisory/ntap-20210827-0007/
DEBIAN https://www.debian.org/security/2021/dsa-4952
MISC https://lists.apache.org/thread.html/r612a79269b0d5e5780c62dfd34286a8037232fe...
MLIST https://lists.apache.org/thread.html/r290aee55b72811fd19e75ac80f6143716c07917...
https://lists.apache.org/thread.html/r40f921575aee8d7d34e53182f862c45cbb8f3d8...
https://lists.apache.org/thread.html/rc6ef52453bb996a98cb45442871a1db56b7c349...
https://lists.apache.org/thread.html/rd0dfea39829bc0606c936a16f6fca338127c86c...
https://lists.apache.org/thread.html/re01e7e93154e8bdf78a11a23f9686427bd3d51f...
https://lists.apache.org/thread.html/rf1b54fd3f52f998ca4829159a88cc4c23d6cef5...
https://lists.debian.org/debian-lts-announce/2021/08/msg00009.html
N/A https://www.oracle.com//security-alerts/cpujul2021.html

Alert History

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Date Informations
2021-09-21 21:23:34
  • Multiple Updates
2021-09-16 13:23:09
  • Multiple Updates
2021-09-14 21:23:35
  • Multiple Updates
2021-09-14 17:23:02
  • Multiple Updates
2021-09-13 17:23:07
  • Multiple Updates
2021-08-30 17:23:00
  • Multiple Updates
2021-08-27 13:23:05
  • Multiple Updates
2021-08-19 12:44:11
  • Multiple Updates
2021-08-10 21:23:16
  • Multiple Updates
2021-08-06 09:22:56
  • Multiple Updates
2021-08-04 21:23:19
  • Multiple Updates
2021-07-30 21:23:18
  • Multiple Updates
2021-07-21 05:22:51
  • Multiple Updates
2021-07-16 01:41:13
  • Multiple Updates
2021-07-15 21:23:09
  • Multiple Updates
2021-07-12 21:23:11
  • First insertion