Open redirect vulnerability in views/auth_forms.py in OpenStack Dashboard (Horizon) Essex…
Priority LOW 31CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · Partial · None
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
Open redirect vulnerability in views/auth_forms.py in OpenStack Dashboard (Horizon) Essex (2012.1) allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a URL in the next parameter to auth/login/. NOTE: this issue was originally assigned CVE-2012-3542 by mistake.
Why it matters now
EPSS 0.02908 87th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
Red Hat 1 advisory
- RHSA-2012:1380 Released 2012-10-16 · Red Hat rating Lowpython-django-horizon security update
- RHOS Essex Release openstack-dashboard-2012.1.1-3.el6, python-django-horizon-2012.1.1-3.el6, python-django-horizon-doc-2012.1.1-3.el6
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| RHOS Essex Release | Fixed | RHSA-2012:1380 |
Timeline
- 2026-10-02 Threatist record created from CVE-2012-3540
- 2026-10-03 Alias added: GHSA-j72v-mpwp-rg79
References
Advisory 1
Other 5
- https://bugs.launchpad.net/horizon/+bug/1039077
- [oss-security] 20120830 [OSSA 2012-012] Horizon, Open redirect through 'next' parameter (CVE-2012-3542)
- [openstack] 20120830 Re: [OSSA 2012-012] Horizon, Open redirect through 'next' parameter (CVE-2012-3540)
- [oss-security] 20120830 Re: [Openstack] [OSSA 2012-012] Horizon, Open redirect through 'next' parameter (CVE-2012-3540)
- [openstack] 20120830 [OSSA 2012-012] Horizon, Open redirect through 'next' parameter (CVE-2012-3542)
More OpenStack Horizon vulnerabilities
- TI-2026-31182 An issue was discovered in OpenStack Horizon 25.6 and 25.7 before 25.7.3. CVSS 3.1MEDIUM 5.3
- TI-2012-01917 Session fixation vulnerability in OpenStack Dashboard (Horizon) folsom-1 and 2012.1… CVSS 2.0MEDIUM 6.8
- TI-2026-40246 OS command injection in OpenStack Horizon CVSS 3.1MEDIUM 6.8
- TI-2020-17754 An issue was discovered in OpenStack Horizon before 15.3.2, 16.x before 16.2.1, 17.x and… CVSS 3.1MEDIUM 6.1
- TI-2022-22498 Open Redirect vulnerability in Horizon Web Dashboard 19.4.0 thru 20.1.4 via the success_url parameter. CVSS 3.1MEDIUM 6.1
- TI-2016-03804 Cross-site scripting (XSS) vulnerability in OpenStack Dashboard (Horizon) 8.0.1 and… CVSS 3.1MEDIUM 5.4
Sources
- CVE-2012-3540 · CVE Program
- CVE-2012-3540 · NVD
- FIRST EPSS
- GHSA-j72v-mpwp-rg79 · GitHub Advisory Database · CC BY 4.0
- CVE-2012-3540 · Red Hat security data · CC BY 4.0
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