CVE-2012-4456 OpenStack Keystone Improper Authentication vulnerability
Remote attackers can bypass authentication to read user roles and manage arbitrary services in OpenStack Keystone.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2012-4456?
CVE-2012-4456 is a high-severity authentication bypass vulnerability in n/a, published on 9 Oct 2012. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The (1) OS-KSADM/services and (2) tenant APIs in OpenStack Keystone Essex before 2012.1.2 and Folsom before folsom-2 do not properly validate X-Auth-Token, which allow remote attackers to read the roles for an arbitrary user or get, create, or delete arbitrary services.
Weakness: CWE-287
Which versions are affected by CVE-2012-4456?
3 open source packages ship an affected version, including keystone. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
keystone PyPI | From 2012.1 | 2012.1.2 |
keystone PyPI | From 2012.1 | 2012.1.2 |
keystone PyPI | From 2012.1 | 2012.1.2 |
Products include Openstack Keystone.
How do I fix CVE-2012-4456?
Upgrade keystone to 2012.1.2 or later.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2012-4456 being exploited?
There is no known exploitation of CVE-2012-4456 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2020-12690 Insufficient Session Expiration in OpenStack Keystone
- CVE-2019-19687 OpenStack Keystone Credential Leakage
- CVE-2026-43001 OpenStack Keystone has an Incorrect Authorization Issue
- CVE-2014-2828 OpenStack Identity (Keystone) DoS through V3 API authentication chaining
- CVE-2021-38155 OpenStack Keystone allows information disclosure during account locking
Sources
Also known as DEBIAN-CVE-2012-4456, GHSA-mf98-r2gf-2x3w, PYSEC-2026-832.