CVE-2021-29921
published 2021-05-06CVE-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…
critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
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.
Affected
11 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | pypy3 | < pypy3 7.3.8+dfsg-1 (bookworm) | pypy3 7.3.8+dfsg-1 (bookworm) |
| debian | python2.7 | < pypy3 7.3.8+dfsg-1 (bookworm) | pypy3 7.3.8+dfsg-1 (bookworm) |
| debian | python3.9 | < pypy3 7.3.8+dfsg-1 (bookworm) | pypy3 7.3.8+dfsg-1 (bookworm) |
| oracle | communications_cloud_native_core_automated_test_suite | — | — |
| oracle | communications_cloud_native_core_binding_support_function | — | — |
| oracle | communications_cloud_native_core_network_slice_selection_function | — | — |
| oracle | graalvm | — | — |
| oracle | graalvm | — | — |
| oracle | zfs_storage_appliance_kit | — | — |
| python | python | >= 3.8.0 < 3.8.12 | 3.8.12 |
| python | python | >= 3.9.0 < 3.9.5 | 3.9.5 |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
osv9.8CRITICAL