How severe is CVE-2012-3426?

CVE-2012-3426 has a CVSS 2.0 base score of 4.9, rated medium severity.

Is CVE-2012-3426 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-3426?

CVE-2012-3426 primarily affects Openstack Essex. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-3426?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-3426 published?

CVE-2012-3426 was published on 2012-07-31 and last updated on 2026-06-16.

CVE-2012-3426

CVE-2012-3426 is a medium-severity vulnerability in Openstack Essex with a CVSS 2.0 base score of 4.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: Medium (CVSS 2.0 base score 4.9)
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Openstack Essex
Published: 2012-07-31
Last modified: 2026-06-16

Description

OpenStack Keystone before 2012.1.1, as used in OpenStack Folsom before Folsom-1 and OpenStack Essex, does not properly implement token expiration, which allows remote authenticated users to bypass intended authorization restrictions by (1) creating new tokens through token chaining, (2) leveraging possession of a token for a disabled user account, or (3) leveraging possession of a token for an account with a changed password.

Frequently asked questions

What is CVE-2012-3426?: OpenStack Keystone before 2012.1.1, as used in OpenStack Folsom before Folsom-1 and OpenStack Essex, does not properly implement token expiration, which allows remote authenticated users to bypass intended authorization restrictions by (1) creating new tokens through token chaining, (2) leveraging possession of a token for a disabled user account, or (3) leveraging possession of a token for an account with a changed password.
How severe is CVE-2012-3426?: CVE-2012-3426 has a CVSS 2.0 base score of 4.9, rated medium severity.
Is CVE-2012-3426 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-3426?: CVE-2012-3426 primarily affects Openstack Essex. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-3426?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-3426 published?: CVE-2012-3426 was published on 2012-07-31 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:openstack:essex:*:*:*:*:*:*:*:*
cpe:2.3:a:openstack:horizon:folsom-1:*:*:*:*:*:*:*
cpe:2.3:a:openstack:keystone:2012.1:*:*:*:*:*:*:*
cpe:2.3:a:openstack:keystone:2012.1.1:*:*:*:*:*:*:*

More vulnerabilities in Openstack Essex

CVE-2013-0261 — High (CVSS 8.8): A flaw was found in PackStack. A local user could exploit a symlink attack on a temporary file with a predictable name…
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