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.
History

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cve-icon MITRE Information

Status: PUBLISHED

Assigner: mitre

Published: 2021-05-06T00:00:00

Updated: 2023-05-03T00:00:00

Reserved: 2021-04-01T00:00:00


Link: CVE-2021-29921

JSON object: View

cve-icon NVD Information

Status : Modified

Published: 2021-05-06T13:15:12.573

Modified: 2023-05-03T11:15:10.457


Link: CVE-2021-29921

JSON object: View

cve-icon Redhat Information

No data.