Vulnerability Report

CVE-2012-3540

Title: Openstack Horizon Improper Input Validation

Input Validation Error

Proof Of Concept

No public PoC currently indexed for CVE-2012-3540.

CWE Category CWE-20

Published Date Sep 05, 2012

Modified Date Jun 16, 2026

Exploit Status Not Found

Score 5.8 CVSS v2.0

Exploit Probability (EPSS)

2.90%

Vulnerability Summary

CVE-2012-3540: 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.

Impacted Vendors

openstack 1

vmware 1

Reference Links

http://secunia.com/advisories/50480 http://www.openwall.com/lists/oss-security/2012/08/30/4 http://www.openwall.com/lists/oss-security/2012/08/30/5 http://www.securityfocus.com/bid/55329 http://www.ubuntu.com/usn/USN-1565-1 https://bugs.launchpad.net/horizon/+bug/1039077 https://exchange.xforce.ibmcloud.com/vulnerabilities/78196 https://github.com/openstack/horizon/commit/35eada8a27323c0f83c400177797927aba6bc99b https://lists.launchpad.net/openstack/msg16278.html https://lists.launchpad.net/openstack/msg16281.html http://secunia.com/advisories/50480 http://www.openwall.com/lists/oss-security/2012/08/30/4 http://www.openwall.com/lists/oss-security/2012/08/30/5 http://www.securityfocus.com/bid/55329 http://www.ubuntu.com/usn/USN-1565-1 https://bugs.launchpad.net/horizon/+bug/1039077 https://exchange.xforce.ibmcloud.com/vulnerabilities/78196 https://github.com/openstack/horizon/commit/35eada8a27323c0f83c400177797927aba6bc99b https://lists.launchpad.net/openstack/msg16278.html https://lists.launchpad.net/openstack/msg16281.html

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.8

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:M/Au:N/C:P/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2012-3540 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 29, 2026 MODIFIED

Vulnerability data updated via NVD.

April 11, 2025 MODIFIED

Vulnerability data or affected products updated.

September 05, 2012 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:N/AC:M/Au:N/C:P/I:P/A:N

Affected Stack

No specific products linked.