Description
In Django 2.2 before 2.2.18, 3.0 before 3.0.12, and 3.1 before 3.1.6, the django.utils.archive.extract method (used by "startapp --template" and "startproject --template") allows directory traversal via an archive with absolute paths or relative paths with dot segments.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | python-django | 2:2.2.18-1 | — |
| Debian 13 | python-django | 2:2.2.18-1 | — |
| Debian 12 | python-django | 2:2.2.18-1 | — |
| Debian 10 | python-django | 1:1.11.29-1+deb10u2 | DLA-3164-1 |
| Debian 9 | python-django | 1:1.10.7-2+deb9u10 | DLA-2540-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | python-django | 2:2.2.12-1ubuntu0.3 | USN-4715-1 |
| Ubuntu 18.04 LTS | python-django | 1:1.11.11-1ubuntu1.10 | USN-4715-1 |
| Ubuntu 16.04 LTS | python-django | 1.8.7-1ubuntu5.14 | USN-4715-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | python-django | 1.6.11-0ubuntu1.3+esm2 | USN-4715-2 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat OpenStack 16 | python-django20 +2 | 2.0.13-16.el8ost.1 | RHSA-2021:5070, RHSA-2021:3490 |
| Red Hat Ansible Automation Platform 4 | automation-hub +2 | 4.2.2-1.el7pc | RHSA-2021:0781 |
| Red Hat Ansible Automation Platform 4 | python-bleach +1 | 3.3.0-1.el7pc | RHSA-2021:0781 |
| Red Hat Ansible Automation Platform 4 | python-bleach-allowlist +1 | 1.0.3-1.el7pc | RHSA-2021:0781 |
| Red Hat Ansible Automation Platform 4 | python-galaxy-importer +1 | 0.2.15-1.el7pc | RHSA-2021:0781 |
| Red Hat Ansible Automation Platform 4 | python-pulp-ansible +1 | 1:0.5.6-1.el7pc | RHSA-2021:0781 |
| Red Hat Ansible Automation Platform 4 | python3-django | 2.2.18-1.el7pc | RHSA-2021:0781 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE OpenStack Cloud Crowbar 9 | crowbar-core | 6.0+git.1611320924.849e748ff-3.34.1 | SUSE-RU-2021:0497-1 |
| SUSE OpenStack Cloud Crowbar 9 | crowbar-openstack | 6.0+git.1610402342.21499240d-3.31.1 | SUSE-RU-2021:0497-1 |
| SUSE OpenStack Cloud Crowbar 9 | kibana | 4.6.3-4.6.1 | SUSE-RU-2021:0497-1 |
| SUSE OpenStack Cloud Crowbar 9 | openstack-dashboard | 14.1.1~dev10-3.21.3 | SUSE-RU-2021:0497-1 |
| SUSE OpenStack Cloud Crowbar 9 | openstack-manila | 7.4.2~dev60-4.33.2 | SUSE-RU-2021:0497-1 |
| SUSE OpenStack Cloud Crowbar 9 | openstack-neutron | 13.0.8~dev147-3.34.2 | SUSE-RU-2021:0497-1 |
| SUSE OpenStack Cloud Crowbar 9 | openstack-neutron-gbp | 12.0.1~dev16-3.22.2 | SUSE-RU-2021:0497-1 |
| SUSE OpenStack Cloud Crowbar 9 | openstack-nova | 18.3.1~dev78-3.34.2 | SUSE-RU-2021:0497-1 |
| SUSE OpenStack Cloud Crowbar 9 | python-Django1 | 1.11.29-3.18.2 | SUSE-RU-2021:0497-1 |
| SUSE OpenStack Cloud Crowbar 9 | release-notes-suse-openstack-cloud | 9.20201214-3.27.2 | SUSE-RU-2021:0497-1 |
| SUSE OpenStack Cloud Crowbar 9 | sleshammer | 0.9.0-7.6.1 | SUSE-RU-2021:0497-1 |
| SUSE OpenStack Cloud Crowbar 8 | crowbar-ha | 5.0+git.1610564036.b75ee1b-3.35.1 | SUSE-RU-2021:0351-1 |
| SUSE OpenStack Cloud Crowbar 8 | crowbar-openstack | 5.0+git.1610402513.08dca931e-4.49.1 | SUSE-RU-2021:0351-1 |
| SUSE OpenStack Cloud Crowbar 8 | kibana | 4.6.3-3.6.1 | SUSE-RU-2021:0351-1 |
| SUSE OpenStack Cloud Crowbar 8 | openstack-neutron +1 | 11.0.9~dev69-3.40.1 | SUSE-RU-2021:0351-1 |
| SUSE OpenStack Cloud Crowbar 8 | openstack-nova +1 | 16.1.9~dev78-3.45.1 | SUSE-RU-2021:0351-1 |
| SUSE OpenStack Cloud Crowbar 8 | python-Django | 1.11.29-3.22.1 | SUSE-RU-2021:0351-1 |
| SUSE OpenStack Cloud Crowbar 8 | release-notes-suse-openstack-cloud | 8.20201214-3.29.1 | SUSE-RU-2021:0351-1 |
| SUSE OpenStack Cloud Crowbar 8 | sleshammer | 0.8.0-0.20.2 | SUSE-RU-2021:0351-1 |
| SUSE OpenStack Cloud Crowbar 8 | spark | 1.6.3-8.6.1 | SUSE-RU-2021:0351-1 |
| SUSE OpenStack Cloud 9 | ardana-db | 9.0+git.1611600773.5f1de5f-3.22.1 | SUSE-RU-2021:0497-1 |
| SUSE OpenStack Cloud 9 | ardana-horizon | 9.0+git.1610491814.38661c2-3.16.1 | SUSE-RU-2021:0497-1 |
| SUSE OpenStack Cloud 9 | ardana-logging | 9.0+git.1610490922.d5f9813-3.16.1 | SUSE-RU-2021:0497-1 |
| SUSE OpenStack Cloud 9 | ardana-monasca | 9.0+git.1610547641.d79ecfd-3.22.1 | SUSE-RU-2021:0497-1 |
| SUSE OpenStack Cloud 9 | ardana-opsconsole-ui | 9.0+git.1611867924.eb82818-4.16.1 | SUSE-RU-2021:0497-1 |
| SUSE OpenStack Cloud 9 | ardana-osconfig | 9.0+git.1610634027.5934cf8-3.25.1 | SUSE-RU-2021:0497-1 |
| SUSE OpenStack Cloud 9 | kibana | 4.6.3-4.6.1 | SUSE-RU-2021:0497-1 |
| SUSE OpenStack Cloud 9 | openstack-dashboard | 14.1.1~dev10-3.21.3 | SUSE-RU-2021:0497-1 |
| SUSE OpenStack Cloud 9 | openstack-manila | 7.4.2~dev60-4.33.2 | SUSE-RU-2021:0497-1 |
| SUSE OpenStack Cloud 9 | openstack-neutron | 13.0.8~dev147-3.34.2 | SUSE-RU-2021:0497-1 |
| SUSE OpenStack Cloud 9 | openstack-neutron-gbp | 12.0.1~dev16-3.22.2 | SUSE-RU-2021:0497-1 |
| SUSE OpenStack Cloud 9 | openstack-nova | 18.3.1~dev78-3.34.2 | SUSE-RU-2021:0497-1 |
| SUSE OpenStack Cloud 9 | python-Django1 | 1.11.29-3.18.2 | SUSE-RU-2021:0497-1 |
| SUSE OpenStack Cloud 9 | release-notes-suse-openstack-cloud | 9.20201214-3.27.2 | SUSE-RU-2021:0497-1 |
| SUSE OpenStack Cloud 9 | venv-openstack-horizon | 14.1.1~dev10-4.25.2 | SUSE-RU-2021:0497-1 |
| SUSE OpenStack Cloud 9 | venv-openstack-manila | 7.4.2~dev60-3.27.2 | SUSE-RU-2021:0497-1 |
| SUSE OpenStack Cloud 9 | venv-openstack-neutron | 13.0.8~dev147-6.25.2 | SUSE-RU-2021:0497-1 |
| SUSE OpenStack Cloud 9 | venv-openstack-nova | 18.3.1~dev78-3.25.2 | SUSE-RU-2021:0497-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE OpenStack Cloud 8 | ardana-horizon | 8.0+git.1610733160.0f577f4-3.21.1 | SUSE-RU-2021:0351-1 |
| SUSE OpenStack Cloud 8 | ardana-logging | 8.0+git.1610573640.452aed1-3.27.1 | SUSE-RU-2021:0351-1 |
| SUSE OpenStack Cloud 8 | ardana-monasca | 8.0+git.1610740501.5dca121-3.27.1 | SUSE-RU-2021:0351-1 |
| SUSE OpenStack Cloud 8 | ardana-mq | 8.0+git.1605176800.52cccfa-3.29.1 | SUSE-RU-2021:0351-1 |
| SUSE OpenStack Cloud 8 | ardana-osconfig | 8.0+git.1610643571.91b88d6-3.52.1 | SUSE-RU-2021:0351-1 |
| SUSE OpenStack Cloud 8 | kibana | 4.6.3-3.6.1 | SUSE-RU-2021:0351-1 |
| SUSE OpenStack Cloud 8 | openstack-neutron +1 | 11.0.9~dev69-3.40.1 | SUSE-RU-2021:0351-1 |
| SUSE OpenStack Cloud 8 | openstack-nova +1 | 16.1.9~dev78-3.45.1 | SUSE-RU-2021:0351-1 |
| SUSE OpenStack Cloud 8 | python-Django | 1.11.29-3.22.1 | SUSE-RU-2021:0351-1 |
| SUSE OpenStack Cloud 8 | release-notes-suse-openstack-cloud | 8.20201214-3.29.1 | SUSE-RU-2021:0351-1 |
| SUSE OpenStack Cloud 8 | spark | 1.6.3-8.6.1 | SUSE-RU-2021:0351-1 |
| SUSE OpenStack Cloud 8 | venv-openstack-horizon | 12.0.5~dev6-14.34.3 | SUSE-RU-2021:0351-1 |
| SUSE OpenStack Cloud 8 | venv-openstack-neutron | 11.0.9~dev69-13.36.1 | SUSE-RU-2021:0351-1 |
| SUSE OpenStack Cloud 8 | venv-openstack-nova | 16.1.9~dev78-11.34.1 | SUSE-RU-2021:0351-1 |
| SUSE OpenStack Cloud 7 | crowbar-openstack | 4.0+git.1616146720.44daffca0-9.81.2 | SUSE-SU-2021:1963-1 |
| SUSE OpenStack Cloud 7 | grafana | 6.7.4-1.24.2 | SUSE-SU-2021:1963-1 |
| SUSE OpenStack Cloud 7 | kibana | 4.6.6-9.2 | SUSE-SU-2021:1963-1 |
| SUSE OpenStack Cloud 7 | monasca-installer | 20180608_12.47-16.2 | SUSE-SU-2021:1963-1 |
| SUSE OpenStack Cloud 7 | python-Django | 1.8.19-3.29.1 | SUSE-SU-2021:1963-1 |
| SUSE OpenStack Cloud 7 | python-py | 1.8.1-11.16.2 | SUSE-SU-2021:1963-1 |
| SUSE OpenStack Cloud 7 | rubygem-activerecord-session_store | 0.1.2-3.4.2 | SUSE-SU-2021:1963-1 |
| SUSE HPE Helion OpenStack 8 | ardana-horizon | 8.0+git.1610733160.0f577f4-3.21.1 | SUSE-RU-2021:0351-1 |
| SUSE HPE Helion OpenStack 8 | ardana-logging | 8.0+git.1610573640.452aed1-3.27.1 | SUSE-RU-2021:0351-1 |
| SUSE HPE Helion OpenStack 8 | ardana-monasca | 8.0+git.1610740501.5dca121-3.27.1 | SUSE-RU-2021:0351-1 |
| SUSE HPE Helion OpenStack 8 | ardana-mq | 8.0+git.1605176800.52cccfa-3.29.1 | SUSE-RU-2021:0351-1 |
| SUSE HPE Helion OpenStack 8 | ardana-osconfig | 8.0+git.1610643571.91b88d6-3.52.1 | SUSE-RU-2021:0351-1 |
| SUSE HPE Helion OpenStack 8 | kibana | 4.6.3-3.6.1 | SUSE-RU-2021:0351-1 |
| SUSE HPE Helion OpenStack 8 | openstack-neutron +1 | 11.0.9~dev69-3.40.1 | SUSE-RU-2021:0351-1 |
| SUSE HPE Helion OpenStack 8 | openstack-nova +1 | 16.1.9~dev78-3.45.1 | SUSE-RU-2021:0351-1 |
| SUSE HPE Helion OpenStack 8 | python-Django | 1.11.29-3.22.1 | SUSE-RU-2021:0351-1 |
| SUSE HPE Helion OpenStack 8 | release-notes-hpe-helion-openstack | 8.20201214-3.29.1 | SUSE-RU-2021:0351-1 |
| SUSE HPE Helion OpenStack 8 | spark | 1.6.3-8.6.1 | SUSE-RU-2021:0351-1 |
| SUSE HPE Helion OpenStack 8 | venv-openstack-horizon-hpe | 12.0.5~dev6-14.34.1 | SUSE-RU-2021:0351-1 |
| SUSE HPE Helion OpenStack 8 | venv-openstack-neutron | 11.0.9~dev69-13.36.1 | SUSE-RU-2021:0351-1 |
| SUSE HPE Helion OpenStack 8 | venv-openstack-nova | 16.1.9~dev78-11.34.1 | SUSE-RU-2021:0351-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | py3-django | 3.1.6-r0 | — |
| Alpine v3.23 | py3-django | 3.1.6-r0 | — |
| Alpine v3.22 | py3-django | 3.1.6-r0 | — |
| Alpine v3.21 | py3-django | 3.1.6-r0 | — |
| Alpine v3.20 | py3-django | 3.1.6-r0 | — |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | py3-django | 3.1.6-r0 | — |
| Alpine v3.18 | py3-django | 3.1.6-r0 | — |
| Alpine v3.17 | py3-django | 3.1.6-r0 | — |
| Alpine v3.16 | py3-django | 3.1.6-r0 | — |
| Alpine v3.15 | py3-django | 3.1.6-r0 | — |
| Alpine v3.14 | py3-django | 3.1.6-r0 | — |
| Alpine v3.13 | py3-django | 3.1.6-r0 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
-
lwzSoviet/CVE-2021-3281 ★ 2 · Jul 5, 2021
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | django | >= 2.2, < 2.2.18 | 2.2.18 | GHSA-fvgf-6h6h-3322 |
| PyPI | django | >= 3.1, < 3.1.6 | 3.1.6 | GHSA-fvgf-6h6h-3322 |
| PyPI | django | >= 3.0, < 3.0.12 | 3.0.12 | GHSA-fvgf-6h6h-3322 |
| PyPI | django | >= 2.2, < 2.2.18 · >= 3.0, < 3.0.12 · >= 3.1, < 3.1.6 | 2.2.18, 3.0.12, 3.1.6 | PYSEC-2021-9 |
Advisories 11
- RHSA-2021:0781 Red Hat Security Advisory: Red Hat Ansible Automation Platform 1.2.2 security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2021:5070 Red Hat Security Advisory: Red Hat OpenStack Platform 16.1 (python-django20) security update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- RHSA-2021:3490 Red Hat Security Advisory: Red Hat OpenStack Platform 16.2 (python-django20) security update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- WID-SEC-2022-1352 Ansible Tower: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 7, 2026
- DLA-3164-1 python-django - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2540-1 python-django - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-4715-1 python-django vulnerability Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-4715-2 python-django vulnerability Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-RU-2021:0351-1 Recommended update for ardana-horizon, ardana-logging, ardana-monasca, ardana-mq, ardana-osconfig, crowbar-ha, crowbar-openstack, kibana, openstack-neutron, openstack-nova, python-Django, release-notes-suse-openstack-cloud, sleshammer, spark SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-RU-2021:0497-1 Recommended update for ardana-db, ardana-horizon, ardana-logging, ardana-monasca, ardana-opsconsole-ui, ardana-osconfig, crowbar-core, crowbar-openstack, kibana, openstack-dashboard, openstack-manila, openstack-neutron, openstack-neutron-gbp, openstack-nova, python-Django1, release-notes-suse-openstack-cloud, sleshammer SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:1963-1 Security update for crowbar-openstack, grafana, kibana, monasca-installer, python-Django, python-py, rubygem-activerecord-session_store SUSE / openSUSE Security Updates · Feb 4, 2026