Skip to content
Fencer Vulns
medium 5.9

CVE-2020-13254 json

Data leakage via cache key collision in Django

published 2020-06-03 6 y ago modified 2026-09-08 2 mo ago also BIT-django-2020-13254 , EUVD-2020-0067 , GHSA-wpjr-j57x-wxfw , PYSEC-2020-31

cvss
5.9
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.1%
EPSS 6.1% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known

Summary

An issue was discovered in Django 2.2 before 2.2.13 and 3.0 before 3.0.7. In cases where a memcached backend does not perform key validation, passing malformed cache keys could result in a key collision, and potential data leakage.

Patch / fix

  • pypi django 2.2.13, 3.0.7
  • bitnami django 2.2.13, 3.0.7
  • djangoproject django 2.2.13, 3.0.7
  • python-django Debian 14, Debian 13, Debian 12 2:2.2.13-1

debian advisories DEBIAN-CVE-2020-13254

  • python-django Ubuntu 16.04 LTS 1.8.7-1ubuntu5.13
  • python-django Ubuntu 18.04 LTS 1:1.11.11-1ubuntu1.9
  • python-django Ubuntu 20.04 LTS 2:2.2.12-1ubuntu0.1
  • python-django Ubuntu Pro 14.04 LTS 1.6.11-0ubuntu1.3+esm1

ubuntu advisories UBUNTU-CVE-2020-13254

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • python-django openstack 13 1.11.27-3.el7ost
  • python2-django openstack 13 1.11.27-3.el7ost
  • python-django-bash-completion openstack 13 1.11.27-3.el7ost
  • python-django20 openstack 16.1 2.0.13-12.el8ost
  • python3-django20 openstack 16.1 2.0.13-12.el8ost
  • python-django20-bash-completion openstack 16.1 2.0.13-12.el8ost

red hat advisories RHSA-2021:0933RHSA-2021:0915

  • kibana OpenStack Cloud Crowbar 9, OpenStack Cloud 9 4.6.3-4.3.2
  • grafana OpenStack Cloud Crowbar 9, OpenStack Cloud 9 6.2.5-3.12.2
  • ansible1 OpenStack Cloud 9 1.9.6-9.7.2
  • ardana-mq OpenStack Cloud 9 9.0+git.1593618110.cbd1a37-3.16.2
  • crowbar-core OpenStack Cloud Crowbar 9 6.0+git.1594619891.b75a61d0d-3.25.5
  • rubygem-puma OpenStack Cloud Crowbar 9 2.16.0-4.9.1
  • ardana-glance OpenStack Cloud 9 9.0+git.1593631708.9354a78-3.13.2
  • ardana-manila OpenStack Cloud 9 9.0+git.1594158642.b5905e4-3.12.2

suse advisories SUSE-RU-2020:2161-1SUSE-RU-2020:2072-1SUSE-SU-2020:1901-1

  • python-Django5 openSUSE Tumbleweed 5.2.16-1.1
  • python-Django openSUSE Tumbleweed 5.2.16-1.1
  • python-Django4 openSUSE Tumbleweed 4.2.30-4.1
  • python-Django6 openSUSE Tumbleweed 6.0-1.1
  • python-Django4 openSUSE Tumbleweed 4.2.14-1.1
  • python-Django openSUSE Tumbleweed 3.2.7-2.3
  • python-Django openSUSE Tumbleweed 4.2.11-2.1

opensuse advisories openSUSE-SU-2026:11270-1openSUSE-SU-2026:11248-1openSUSE-SU-2026:11235-1openSUSE-SU-2026:10005-1openSUSE-SU-2024:14208-1openSUSE-SU-2024:11205-1

  • py3-django Alpine 3.24, Alpine 3.23, Alpine 3.22 +9 more 3.0.7-r0

alpine advisories ALPINE-CVE-2020-13254

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • python-django Arch Linux 3.0.7-1

arch linux advisories AVG-1176

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-13254 updated cvss 5.9

django: potential data leakage via malformed memcached keys

  • Red Hat Ceph Storage 2 python-django, python-django-bash-completion Red Hat Ceph Storage 3 python-django, python-django-bash-completion
    affected: no fix planned “Will not fix”
  • Red Hat OpenStack Platform 10 (Newton) python-django, python-django-bash-completion Red Hat OpenStack Platform 15 (Stein) python-django, python3-django, python3-django20, python-django-bash-completion, python-django20-bash-completion
    affected: no fix planned “Out of support scope”
  • Red Hat Satellite 6 python-django, python2-django, python-django-bash-completion Red Hat Storage 3 python-django, python2-django, python-django-bash-completion
    affected: no fix planned “Will not fix”
  • Red Hat Update Infrastructure 3 for Cloud Providers python-django
    affected: no fix available “Fix deferred”
  • Red Hat OpenStack Platform 13.0 python-django 1.11.27-3.el7ost, python2-django 1.11.27-3.el7ost, python-django-bash-completion 1.11.27-3.el7ost Red Hat OpenStack Platform 13.0 for RHEL 7.6 EUS Server python-django 1.11.27-3.el7ost, python2-django 1.11.27-3.el7ost, python-django-bash-completion 1.11.27-3.el7ost
    fixed: vendor fix RHSA-2021:0933
  • Red Hat OpenStack Platform 16.1 python-django20 2.0.13-12.el8ost, python3-django20 2.0.13-12.el8ost, python-django20-bash-completion 2.0.13-12.el8ost
    fixed: vendor fix RHSA-2021:0915

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

6.09% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
GitHub 3.1 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 3.1 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N
OSV 3.1 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem package affected fixed in
pypi django
>=2.2, <2.2.13
>=3.0, <3.0.7
2.2.13
3.0.7
bitnami django
>=2.2.0, <2.2.13
>=3.0.0, <3.0.7
2.2.13
3.0.7

Classification

Weakness
  • CWE-295 Improper Certificate Validation
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.