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Vulnerability record · CVE-2012-3542 · published 5 September 2012

CVE-2012-3542: Openstack essex permissions and access controls vulnerability

Openstack · Essex

OpenStack Keystone, as used in OpenStack Folsom before folsom-rc1 and OpenStack Essex (2012.1), allows remote attackers to add an arbitrary user to an arbitrary tenant via a request to update the user's default tenant to the administrative API. NOTE: this identifier was originally incorrectly assigned to an open redirect issue, but the correct identifier for that issue is CVE-2012-3540.

4.3 CVSS 2.0 Medium EPSS 2.5% · top 15.1% CWE-264 · Permissions and access controls
4.3CVSS 2.0 base score
2.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
18References
16 Jun 2026Last modified by NVD

Description

OpenStack Keystone, as used in OpenStack Folsom before folsom-rc1 and OpenStack Essex (2012.1), allows remote attackers to add an arbitrary user to an arbitrary tenant via a request to update the user's default tenant to the administrative API. NOTE: this identifier was originally incorrectly assigned to an open redirect issue, but the correct identifier for that issue is CVE-2012-3540.

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/50467 Vendor Advisory
http://secunia.com/advisories/50494 Vendor Advisory
http://www.openwall.com/lists/oss-security/2012/08/30/6
http://www.securityfocus.com/bid/55326
http://www.ubuntu.com/usn/USN-1552-1
https://bugs.launchpad.net/keystone/+bug/1040626
https://github.com/openstack/keystone/commit/5438d3b5a219d7c8fa67e66e538d325a61617155 Patch
https://github.com/openstack/keystone/commit/c13d0ba606f7b2bdc609a7f388334e5efec3f3aa Patch
https://lists.launchpad.net/openstack/msg16282.html
http://secunia.com/advisories/50467 Vendor Advisory
http://secunia.com/advisories/50494 Vendor Advisory
http://www.openwall.com/lists/oss-security/2012/08/30/6
http://www.securityfocus.com/bid/55326
http://www.ubuntu.com/usn/USN-1552-1
https://bugs.launchpad.net/keystone/+bug/1040626
https://github.com/openstack/keystone/commit/5438d3b5a219d7c8fa67e66e538d325a61617155 Patch
https://github.com/openstack/keystone/commit/c13d0ba606f7b2bdc609a7f388334e5efec3f3aa Patch
https://lists.launchpad.net/openstack/msg16282.html

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2013-0261Openstack essex link following vulnerabilityA flaw was found in PackStack. A local user could exploit a symlink attack on a temporary file with a predictable name in the `/tmp` directory. This …EPSS 0.34%7.6CVE-2013-0335Openstack essex insufficient session expiration vulnerabilityOpenStack Compute (Nova) Grizzly, Folsom (2012.2), and Essex (2012.1) allows remote authenticated users to gain access to a VM in opportunistic circu…EPSS 2.1%6.8CVE-2026-55748Openstack horizon os command injection vulnerabilityOpenStack Horizon before 25.7.4 produces scripts for OpenStack RC file downloading that may have a crafted project name with shell metacharacters. NO…EPSS 0.25%6.8CVE-2012-2144Openstack horizon vulnerabilitySession fixation vulnerability in OpenStack Dashboard (Horizon) folsom-1 and 2012.1 allows remote attackers to hijack web sessions via the sessionid …EPSS 2.1%6.5CVE-2013-0208Openstack essex permissions and access controls vulnerabilityThe boot-from-volume feature in OpenStack Compute (Nova) Folsom and Essex, when using nova-volumes, allows remote authenticated users to boot from ot…EPSS 2.5%6.1CVE-2022-45582Openstack horizon open redirect vulnerabilityOpen Redirect vulnerability in Horizon Web Dashboard 19.4.0 thru 20.1.4 via the success_url parameter.EPSS 0.80%6.1CVE-2020-29565Openstack horizon open redirect vulnerabilityAn issue was discovered in OpenStack Horizon before 15.3.2, 16.x before 16.2.1, 17.x and 18.x before 18.3.3, 18.4.x, and 18.5.x. There is a lack of v…EPSS 1.4%5.8CVE-2012-3540Openstack horizon improper input validation vulnerabilityOpen redirect vulnerability in views/auth_forms.py in OpenStack Dashboard (Horizon) Essex (2012.1) allows remote attackers to redirect users to arbit…EPSS 2.9%

Source: NIST National Vulnerability Database (record CVE-2012-3542), CISA KEV, FIRST EPSS (scores of 2026-11-14). This page is refreshed as NVD updates the record.