python python CVE-2021-29921 vulnerability in Python and Other Products
Published on May 6, 2021

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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.

Vendor Advisory NVD


Products Associated with CVE-2021-29921

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Exploit Probability

EPSS
2.05%
Percentile
83.61%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.