Skip to main content

Boteraser | Website and Server Security Solutions

🛡️ CVE-2012-3542 — keystone

🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-284 OSV
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

OpenStack Keystone Allows Remote User Account Creation

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. Rated impact: confidentiality none, integrity high, availability none.

CVSS metrics in full

The score comes from this vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

  • Attack vector: Network — reachable from anywhere that can route to the service.
  • Attack complexity: Low — the attack works reliably, with no preparation.
  • Attack requirements: None — no deployment-specific condition has to hold.
  • Privileges required: None — an unauthenticated stranger can try it.
  • User interaction: None — nobody has to be tricked into anything.
  • Confidentiality impact: None.
  • Integrity impact: High — total loss, or loss the attacker controls.
  • Availability impact: None.

Weakness class

CVE-2012-3542 is classified as CWE-284: Improper Access Control. The software does not restrict an action to the actors that should be allowed to perform it.

Affected software

CVE-2012-3542 is recorded against 1 package.

  • keystone (fixed in 2012.1)

Timeline and source

Published on 17 May 2022 and last revised on 28 May 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Advisory)
github.com (Web)
github.com (Web)
bugs.launchpad.net (Web)
github.com (Package)
github.com (Web)
lists.launchpad.net (Web)
web.archive.org (Web)
web.archive.org (Web)
web.archive.org (Web)
www.openwall.com (Web)
www.ubuntu.com (Web)

Other advisories for this package

keystone has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-284: Improper Access Control) in other software:

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
CWE CWE-284
Public Exploit ✅ No
Source OSV
Published 2022-05-17
Updated 2026-08-20
Modified 2026-05-28
Fix URL N/A

Affected Packages

Software From version Fixed in
keystone — 2012.1

References

Similar Threats

Site Security Check

Is keystone part of your stack?

CVE-2012-3542 is rated CVSS 8.0 High. BotEraser scans your installation against known CVE records and tells you whether this vulnerability applies to the versions you actually run.

Scan My Site Free →

No credit card required  ·  Results in minutes

ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

Browse related advisories

All advisoriesCVE
✓