{"schemaVersion":3,"id":"CVE-2012-3540","aliases":["PYSEC-2012-18","RHSA-2012:1380","DEBIAN-CVE-2012-3540"],"status":"published","duplicateOf":null,"title":null,"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.","dates":{"published":"2012-09-05T23:00:00.000Z","modified":"2024-08-06T20:13:50.055Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":5.8,"severity":"medium","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":5.8,"severity":"medium","vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.02919,"percentile":0.86832,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.02919},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.02919,"percentile":0.86832}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.02919,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.02919,"percentile":0.86832}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[{"id":"GITHUB_OPENSTACK_HORIZON","name":"Horizon","source":"github","url":"https://github.com/openstack/horizon/commit/041b1c44c7d6cf5429505067c32f8f35166a8bab","maturity":"poc","reliabilityScore":0.3,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":1,"weaknesses":[{"id":"CWE-20","name":"Improper Input Validation","description":"The product receives input or data, but it does\n        not validate or incorrectly validates that the input has the\n        properties that are required to process the data safely and\n        correctly.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/20.html"}],"affected":[{"vendor":"debian","product":"horizon","name":"horizon","label":"horizon","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/horizon","purlType":"deb","versions":[{"text":"< 2012.1.1-4","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2012.1.1-4","eol":{"isEol":null,"eolDate":null,"matchMethod":"name_exact","cycle":null,"product":{"name":"horizon","label":"Omnissa Horizon","category":"app"}},"hubHref":null},{"vendor":"openstack","product":"horizon","name":"horizon","label":"horizon","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"2012.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"2012.1","eol":{"isEol":null,"eolDate":null,"matchMethod":"name_exact","cycle":null,"product":{"name":"horizon","label":"Omnissa Horizon","category":"app"}},"hubHref":"/vendor/openstack/horizon"},{"vendor":"PyPI","product":"horizon","name":"horizon","label":"horizon","ecosystem":"PyPI","cpePart":null,"purl":"pkg:pypi/horizon","purlType":"pypi","versions":[{"text":"< 35eada8a27323c0f83c400177797927aba6bc99b","noFixRecorded":false,"fixedIn":null},{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"< 35eada8a27323c0f83c400177797927aba6bc99b | All versions (No fix recorded)","eol":{"isEol":null,"eolDate":null,"matchMethod":"name_exact","cycle":null,"product":{"name":"horizon","label":"Omnissa Horizon","category":"app"}},"hubHref":null},{"vendor":"redhat","product":"openstack-dashboard","name":"openstack-dashboard","label":"openstack-dashboard","ecosystem":"Red Hat","cpePart":null,"purl":"pkg:rpm/redhat/openstack-dashboard","purlType":"rpm","versions":[{"text":"< 0:2012.1.1-3.el6","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0:2012.1.1-3.el6","eol":null,"hubHref":null},{"vendor":"redhat","product":"python-django-horizon","name":"python-django-horizon","label":"python-django-horizon","ecosystem":"Red Hat","cpePart":null,"purl":"pkg:rpm/redhat/python-django-horizon","purlType":"rpm","versions":[{"text":"< 0:2012.1.1-3.el6","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0:2012.1.1-3.el6","eol":null,"hubHref":null},{"vendor":"redhat","product":"python-django-horizon-doc","name":"python-django-horizon-doc","label":"python-django-horizon-doc","ecosystem":"Red Hat","cpePart":null,"purl":"pkg:rpm/redhat/python-django-horizon-doc","purlType":"rpm","versions":[{"text":"< 0:2012.1.1-3.el6","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0:2012.1.1-3.el6","eol":null,"hubHref":null}],"affectedCount":6,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/78196","label":"exchange.xforce.ibmcloud.com/vulnerabilities/78196","hostname":"exchange.xforce.ibmcloud.com","tags":["VDB Entry","X Refsource XF","WEB"]},{"url":"https://bugs.launchpad.net/horizon/+bug/1039077","label":"bugs.launchpad.net/horizon/+bug/1039077","hostname":"bugs.launchpad.net","tags":["X Refsource CONFIRM","WEB"]},{"url":"http://www.openwall.com/lists/oss-security/2012/08/30/4","label":"www.openwall.com/lists/oss-security/2012/08/30/4","hostname":"www.openwall.com","tags":["Mailing List","X Refsource MLIST","WEB"]},{"url":"https://github.com/openstack/horizon/commit/35eada8a27323c0f83c400177797927aba6bc99b","label":"github.com/openstack/horizon/commit/35eada8a27323c0f83c400177797927aba6bc99b","hostname":"github.com","tags":["X Refsource CONFIRM","Exploit","Patch","FIX"]},{"url":"http://www.ubuntu.com/usn/USN-1565-1","label":"www.ubuntu.com/usn/USN-1565-1","hostname":"www.ubuntu.com","tags":["Vendor Advisory","X Refsource UBUNTU","Advisory"]},{"url":"http://www.securityfocus.com/bid/55329","label":"www.securityfocus.com/bid/55329","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID","WEB"]},{"url":"https://lists.launchpad.net/openstack/msg16281.html","label":"lists.launchpad.net/openstack/msg16281.html","hostname":"lists.launchpad.net","tags":["Mailing List","X Refsource MLIST","WEB"]},{"url":"http://secunia.com/advisories/50480","label":"secunia.com/advisories/50480","hostname":"secunia.com","tags":["Third Party Advisory","X Refsource SECUNIA","Vendor Advisory","Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2012/08/30/5","label":"www.openwall.com/lists/oss-security/2012/08/30/5","hostname":"www.openwall.com","tags":["Mailing List","X Refsource MLIST","WEB"]},{"url":"https://lists.launchpad.net/openstack/msg16278.html","label":"lists.launchpad.net/openstack/msg16278.html","hostname":"lists.launchpad.net","tags":["Mailing List","X Refsource MLIST","WEB"]},{"url":"https://access.redhat.com/errata/RHSA-2012:1380","label":"access.redhat.com/errata/RHSA-2012:1380","hostname":"access.redhat.com","tags":["Advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#low","label":"access.redhat.com/security/updates/classification/","hostname":"access.redhat.com","tags":["ARTICLE"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=852246","label":"bugzilla.redhat.com/show_bug.cgi?id=852246","hostname":"bugzilla.redhat.com","tags":["REPORT"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2012/rhsa-2012_1380.json","label":"security.access.redhat.com/data/csaf/v2/advisories/2012/rhsa-2012_1380.json","hostname":"security.access.redhat.com","tags":["Advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2012-3540","label":"access.redhat.com/security/cve/CVE-2012-3540","hostname":"access.redhat.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2012-3540","label":"www.cve.org/CVERecord?id=CVE-2012-3540","hostname":"www.cve.org","tags":["Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-3540","label":"nvd.nist.gov/vuln/detail/CVE-2012-3540","hostname":"nvd.nist.gov","tags":["Advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2012-3540","label":"security-tracker.debian.org/tracker/CVE-2012-3540","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2012-09-05T23:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-06T20:13:50.055Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":34,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T16:52:33.713Z","stale":false,"partial":false}}