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HistoryJun 07, 2021 - 12:00 a.m.

K46604804 : Python vulnerability CVE-2021-29921

2021-06-0700:00:00
my.f5.com
66
python
vulnerability
cve-2021-29921
ipaddress library
access control
security advisory

AI Score

8.4

Confidence

High

EPSS

0.008

Percentile

81.7%

Security Advisory Description

In Python before 3,9,5, the ipaddress library mishandles leading zero characters in the octets of an IP address string. This (in some situations) allows attackers to bypass access control that is based on IP addresses. (CVE-2021-29921)

Impact

There is no impact; F5 products are not affected by this vulnerability.