Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
None
Attack Vector
Network
0

CVE-2021-3737

Disclosure Date: March 04, 2022
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

A flaw was found in python. An improperly handled HTTP response in the HTTP client code of python may allow a remote attacker, who controls the HTTP server, to make the client script enter an infinite loop, consuming CPU time. The highest threat from this vulnerability is to system availability.

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CVSS V3 Severity and Metrics
Base Score:
7.5 High
Impact Score:
3.6
Exploitability Score:
3.9
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High

General Information

Vendors

  • canonical,
  • fedoraproject,
  • netapp,
  • oracle,
  • python,
  • redhat

Products

  • codeready linux builder 8.0,
  • codeready linux builder for ibm z systems 8.0,
  • codeready linux builder for power little endian 8.0,
  • communications cloud native core binding support function 22.1.3,
  • communications cloud native core network exposure function 22.1.1,
  • communications cloud native core policy 22.2.0,
  • enterprise linux 6.0,
  • enterprise linux 7.0,
  • enterprise linux 8.0,
  • enterprise linux for ibm z systems 8.0,
  • enterprise linux for power little endian 8.0,
  • fedora 33,
  • fedora 34,
  • hci -,
  • management services for element software -,
  • netapp xcp smb -,
  • ontap select deploy administration utility -,
  • python,
  • ubuntu linux 14.04,
  • ubuntu linux 16.04,
  • ubuntu linux 18.04,
  • ubuntu linux 20.04,
  • ubuntu linux 21.04,
  • xcp nfs -
Technical Analysis