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CVE-2012-3540
Open redirect vulnerability in views/auth_forms.py in OpenStack Dashboard (Horizon) Essex (2012.1) allows remote attackers to redirect…
Medium5.8EPSS 2.9%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
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.
Timeline
ID reserved
By redhat
- 3 months later
· 3 months later
Published
- 12 years later
· 12 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.8 | AV:N/AC:M/Au:N/C:P/I:P/A:N |
- EPSS (exploitation in 30 days)
- 2.9% · top 13% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.8.
Weakness
Affected products
n/a
- affected n/a
References (10)
- openstackdashboard-next-open-redirect(78196) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- https://bugs.launchpad.net/horizon/+bug/1039077 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20120830 [OSSA 2012-012] Horizon, Open redirect through 'next' parameter (CVE-2012-3542) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://github.com/openstack/horizon/commit/35eada8a27323c0f83c400177797927aba6bc99b (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-1565-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 55329 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- [openstack] 20120830 Re: [OSSA 2012-012] Horizon, Open redirect through 'next' parameter (CVE-2012-3540) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 50480 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- [oss-security] 20120830 Re: [Openstack] [OSSA 2012-012] Horizon, Open redirect through 'next' parameter (CVE-2012-3540) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [openstack] 20120830 [OSSA 2012-012] Horizon, Open redirect through 'next' parameter (CVE-2012-3542) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2012-3540)Record last updated .