CVE-2012-4520

NONECVSS 0.0Trending — 4 sources updated this week

0.0

The django.http.HttpRequest.get_host function in Django 1.3.x before 1.3.4 and 1.4.x before 1.4.2 allows remote attackers to generate and display arbitrary URLs via crafted username and password Host header values.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 88.5%
KEV: Not listed

Published

November 18, 2012

Last Modified

April 29, 2026

References (34)

secalert@redhathttp://bugs.debian.org/cgi-bin/bugreport.cgi?bug=691145
secalert@redhathttp://lists.fedoraproject.org/pipermail/package-announce/2012-October/090666.html
secalert@redhathttp://lists.fedoraproject.org/pipermail/package-announce/2012-October/090904.html
secalert@redhathttp://lists.fedoraproject.org/pipermail/package-announce/2012-October/090970.html
secalert@redhathttp://secunia.com/advisories/51033
secalert@redhathttp://secunia.com/advisories/51314
secalert@redhathttp://securitytracker.com/id?1027708
secalert@redhathttp://ubuntu.com/usn/usn-1632-1
secalert@redhathttp://ubuntu.com/usn/usn-1757-1
secalert@redhathttp://www.debian.org/security/2013/dsa-2634
secalert@redhathttp://www.openwall.com/lists/oss-security/2012/10/30/4
secalert@redhathttp://www.osvdb.org/86493
secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=865164
secalert@redhathttps://github.com/django/django/commit/92d3430f12171f16f566c9050c40feefb830a4a3
secalert@redhathttps://github.com/django/django/commit/9305c0e12d43c4df999c3301a1f0c742264a657e

Patch Availability(2)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	python-django (1.4.1-2ubuntu0.3) @ quantal	2026-05-29	ubuntu
ubuntu	python-django (1.4.1-2ubuntu0.1) @ quantal	2026-05-29	ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)

PyPI(1)

Package	Vulnerable range	Fixed in	Dependents
django	1.3 ... 1.4.1 (6 versions)	1.4.2	—

All Vendor Advisories

(2)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:10 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-29 01:51 UTCEG score recompute
2026-05-29 01:51 UTCVendor advisory
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 18:05 UTCOSV refresh
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch

Frequently asked(4)

What is CVE-2012-4520?

CVE-2012-4520 is a none vulnerability published on November 18, 2012. The django.http.HttpRequest.get_host function in Django 1.3.x before 1.3.4 and 1.4.x before 1.4.2 allows remote attackers to generate and display arbitrary URLs via crafted username and password Host header values.

When was CVE-2012-4520 disclosed?

CVE-2012-4520 was first published in the National Vulnerability Database on November 18, 2012, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2012-4520 actively exploited?

CVE-2012-4520 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 88.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2012-4520?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-4520, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2012-4520

📅 Published

🔄 Last Modified

🔗 References (34)