How severe is CVE-2013-6426?

CVE-2013-6426 has a CVSS 2.0 base score of 4.0, rated medium severity.

Is CVE-2013-6426 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-6426?

CVE-2013-6426 affects Openstack Heat. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2013-6426?

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

When was CVE-2013-6426 published?

CVE-2013-6426 was published on 2013-12-14 and last updated on 2026-06-17.

CVE-2013-6426

CVE-2013-6426 is a medium-severity vulnerability in Openstack Heat with a CVSS 2.0 base score of 4.0. 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 4.0)
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Openstack Heat
Published: 2013-12-14
Last modified: 2026-06-17

Description

The cloudformation-compatible API in OpenStack Orchestration API (Heat) before Havana 2013.2.1 and Icehouse before icehouse-2 does not properly enforce policy rules, which allows local in-instance users to bypass intended access restrictions and (1) create a stack via the CreateStack method or (2) update a stack via the UpdateStack method.

Frequently asked questions

What is CVE-2013-6426?: The cloudformation-compatible API in OpenStack Orchestration API (Heat) before Havana 2013.2.1 and Icehouse before icehouse-2 does not properly enforce policy rules, which allows local in-instance users to bypass intended access restrictions and (1) create a stack via the CreateStack method or (2) update a stack via the UpdateStack method.
How severe is CVE-2013-6426?: CVE-2013-6426 has a CVSS 2.0 base score of 4.0, rated medium severity.
Is CVE-2013-6426 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-6426?: CVE-2013-6426 affects Openstack Heat. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-6426?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-6426 published?: CVE-2013-6426 was published on 2013-12-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:openstack:heat:*:*:*:*:*:*:*:*

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