CRITICAL 9.8
CVE-2021-29921
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.
CVSS v3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected tracked apps
Vulnerable CPE configurations
| Vendor | Product | Platform | Versions | CPE 2.3 URI |
|---|---|---|---|---|
| python | python | Windows | ≥3.8.0 <3.8.12 | cpe:2.3:a:python:python:*:*:*:*:*:*:*:* |
| python | python | Windows | ≥3.9.0 <3.9.5 | cpe:2.3:a:python:python:*:*:*:*:*:*:*:* |