{"id":"USN-4902-1","summary":"python-django vulnerability","details":"Dennis Brinkrolf discovered that Django incorrectly handled certain\nfilenames. A remote attacker could possibly use this issue to create or\noverwrite files in unexpected directories.\n","modified":"2026-04-27T15:51:41.871316Z","published":"2021-04-06T10:56:20Z","related":["UBUNTU-CVE-2021-28658"],"upstream":["CVE-2021-28658","UBUNTU-CVE-2021-28658"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4902-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-28658"}],"affected":[{"package":{"name":"python-django","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/python-django@1.8.7-1ubuntu5.15?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.7-1ubuntu5.15"}]}],"versions":["1.7.9-1ubuntu5","1.8.5-2ubuntu1","1.8.7-1ubuntu1","1.8.7-1ubuntu2","1.8.7-1ubuntu3","1.8.7-1ubuntu4","1.8.7-1ubuntu5","1.8.7-1ubuntu5.1","1.8.7-1ubuntu5.2","1.8.7-1ubuntu5.4","1.8.7-1ubuntu5.5","1.8.7-1ubuntu5.6","1.8.7-1ubuntu5.7","1.8.7-1ubuntu5.8","1.8.7-1ubuntu5.9","1.8.7-1ubuntu5.10","1.8.7-1ubuntu5.11","1.8.7-1ubuntu5.12","1.8.7-1ubuntu5.13","1.8.7-1ubuntu5.14"],"ecosystem_specific":{"binaries":[{"binary_version":"1.8.7-1ubuntu5.15","binary_name":"python-django"},{"binary_version":"1.8.7-1ubuntu5.15","binary_name":"python-django-common"},{"binary_version":"1.8.7-1ubuntu5.15","binary_name":"python3-django"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:16.04:LTS","cves":[{"id":"CVE-2021-28658","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4902-1.json"}},{"package":{"name":"python-django","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/python-django@1:1.11.11-1ubuntu1.12?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.11.11-1ubuntu1.12"}]}],"versions":["1:1.11.4-1ubuntu1","1:1.11.6-1ubuntu1","1:1.11.9-1ubuntu1","1:1.11.11-1ubuntu1","1:1.11.11-1ubuntu1.1","1:1.11.11-1ubuntu1.2","1:1.11.11-1ubuntu1.3","1:1.11.11-1ubuntu1.4","1:1.11.11-1ubuntu1.5","1:1.11.11-1ubuntu1.6","1:1.11.11-1ubuntu1.7","1:1.11.11-1ubuntu1.8","1:1.11.11-1ubuntu1.9","1:1.11.11-1ubuntu1.10","1:1.11.11-1ubuntu1.11"],"ecosystem_specific":{"binaries":[{"binary_version":"1:1.11.11-1ubuntu1.12","binary_name":"python-django"},{"binary_version":"1:1.11.11-1ubuntu1.12","binary_name":"python-django-common"},{"binary_version":"1:1.11.11-1ubuntu1.12","binary_name":"python3-django"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"id":"CVE-2021-28658","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4902-1.json"}},{"package":{"name":"python-django","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/python-django@2:2.2.12-1ubuntu0.5?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.2.12-1ubuntu0.5"}]}],"versions":["1:1.11.22-1ubuntu1","2:2.2.6-1ubuntu1","2:2.2.9-2ubuntu1","2:2.2.10-1","2:2.2.10-1ubuntu1","2:2.2.11-1","2:2.2.12-1","2:2.2.12-1ubuntu0.1","2:2.2.12-1ubuntu0.2","2:2.2.12-1ubuntu0.3","2:2.2.12-1ubuntu0.4"],"ecosystem_specific":{"binaries":[{"binary_version":"2:2.2.12-1ubuntu0.5","binary_name":"python3-django"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"id":"CVE-2021-28658","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4902-1.json"}}],"schema_version":"1.7.5"}