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CVE-2012-3542

18
FAUCET Score

CVE-2012-3542 describes a vulnerability in OpenStack Keystone, affecting OpenStack Folsom (before folsom-rc1) and OpenStack Essex (2012.1). This flaw allows remote attackers to assign any user to any tenant by manipulating the user's default tenant via the administrative API. Rated with a CVSS score of 4.3 (Medium), it has a network attack vector and medium attack complexity, potentially leading to unauthorized information modification (I:P). There is no evidence of active exploitation, no known public exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
2012.1CPE matchmatch criteria
cpe:2.3:a:openstack:essex:2012.1:*:*:*:*:*:*:*
folsom-3CPE matchmatch criteria
cpe:2.3:a:openstack:horizon:folsom-3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.48%
Probability of exploitation in next 30 days
EPSS Percentile
82.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0248 is in the 73rd percentile among its peer group of 19,956 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: keystoneFixed in: 2012.1
redhatpatch availablevia redhat_api
Product: OpenStack Essex for RHEL 6Fixed in: openstack-keystone-0:2012.1.2-4.el6
View patch

Vendor Advisories (2)

pipGHSA-gf2q-j2qq-pjf2high

OpenStack Keystone Allows Remote User Account Creation

May 17, 2022
redhatCVE-2012-3542Important

Keystone: Lack of authorization for adding users to tenants

Aug 30, 2012

References

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