How severe is CVE-2016-9014?

CVE-2016-9014 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-9014 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-9014?

CVE-2016-9014 primarily affects Djangoproject Django. In total, 36 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-9014?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2016-9014 published?

CVE-2016-9014 was published on 2016-12-09 and last updated on 2026-06-17.

CVE-2016-9014

CVE-2016-9014 is a high-severity vulnerability in Djangoproject Django with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 6.8
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Djangoproject Django
Published: 2016-12-09
Last modified: 2026-06-17

Description

Django before 1.8.x before 1.8.16, 1.9.x before 1.9.11, and 1.10.x before 1.10.3, when settings.DEBUG is True, allow remote attackers to conduct DNS rebinding attacks by leveraging failure to validate the HTTP Host header against settings.ALLOWED_HOSTS.

Frequently asked questions

What is CVE-2016-9014?: Django before 1.8.x before 1.8.16, 1.9.x before 1.9.11, and 1.10.x before 1.10.3, when settings.DEBUG is True, allow remote attackers to conduct DNS rebinding attacks by leveraging failure to validate the HTTP Host header against settings.ALLOWED_HOSTS.
How severe is CVE-2016-9014?: CVE-2016-9014 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-9014 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-9014?: CVE-2016-9014 primarily affects Djangoproject Django. In total, 36 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-9014?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-9014 published?: CVE-2016-9014 was published on 2016-12-09 and last updated on 2026-06-17.

References

Affected products (36)

cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:25:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.10:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.8:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.8.1:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.8.2:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.8.3:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.8.4:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.8.5:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.8.6:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.8.7:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.8.8:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.8.9:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.8.10:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.8.11:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.8.12:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.8.13:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.8.14:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.8.15:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.10:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.10.1:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.10.2:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.9:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.9.1:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.9.2:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.9.3:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.9.4:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.9.5:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.9.6:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.9.7:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.9.8:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.9.9:*:*:*:*:*:*:*
cpe:2.3:a:djangoproject:django:1.9.10:*:*:*:*:*:*:*

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