django: incorrect session flushing in the cached_db backend
Published Jun 2, 2015
6.6
MEDIUMCVSS 4.0
EPSS 1.75%
Description
The session.flush function in the cached_db backend in Django 1.8.x before 1.8.2 does not properly flush the session, which allows remote attackers to hijack user sessions via an empty string in the session key.
Affected products
No data.
- 1.8.0
- 1.8.1
No data.
Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse)
python-django
Not affected
Red Hat Enterprise Linux OpenStack Platform 6 (Juno)
python-django
Not affected
Red Hat OpenStack Platform 4
Django14
Not affected
Red Hat Subscription Asset Manager
Django
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse) | python-django | Not affected | n/a |
| Red Hat Enterprise Linux OpenStack Platform 6 (Juno) | python-django | Not affected | n/a |
| Red Hat OpenStack Platform 4 | Django14 | Not affected | n/a |
| Red Hat Subscription Asset Manager | Django | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. The 1.8 version of Django is not shipped in any Red Hat product.
Metrics
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.75% (0.01750) | 77.05th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.75% (0.01748) | 74.83th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.41% (0.00414) | 59.50th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.19% (0.00191) | 57.86th | v3 (v2023.03.01) |
| Jul 10, 2024 | 0.19% (0.00191) | 56.84th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.19% (0.00191) | 54.83th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
References (10)
- http://www.securityfocus.com/bid/74960 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2015-3982 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1221526 Issue Tracking
- https://github.com/advisories/GHSA-6wgp-fwfm-mxp3 Advisory
- https://github.com/django/django/commit/31cb25adecba930bdeee4556709f5a1c42d88fd6
- https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2015-19.yaml
- https://nvd.nist.gov/vuln/detail/CVE-2015-3982
- https://web.archive.org/web/20200228092138/http://www.securityfocus.com/bid/74960
- https://www.cve.org/CVERecord?id=CVE-2015-3982
- https://www.djangoproject.com/weblog/2015/may/20/security-release x_refsource_CONFIRMPatchVendor Advisory
Change history (0)
No recorded changes yet.