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cve[email protected]CVE-2021-3737
HistoryMar 04, 2022 - 7:15 p.m.

CVE-2021-3737

2022-03-0419:15:00
CWE-835
CWE-400
web.nvd.nist.gov
768
2
python
http
client
flaw
vulnerability
remote
attacker
cpu
nvd
cve-2021-3737

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.6 High

AI Score

Confidence

High

7.1 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:N/I:N/A:C

0.016 Low

EPSS

Percentile

87.0%

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.

VendorProductVersionCPE
pythonpython*cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
pythonpython*cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
pythonpython*cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
pythonpython*cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
pythonpython*cpe:2.3:a:python:python:*:*:*:*:*:*:*:*

Social References

More

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.6 High

AI Score

Confidence

High

7.1 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:N/I:N/A:C

0.016 Low

EPSS

Percentile

87.0%