How severe is CVE-2015-7713?

CVE-2015-7713 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2015-7713 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-7713?

CVE-2015-7713 affects Openstack Nova. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-7713?

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

When was CVE-2015-7713 published?

CVE-2015-7713 was published on 2015-10-29 and last updated on 2026-06-17.

CVE-2015-7713

CVE-2015-7713 is a medium-severity vulnerability in Openstack Nova with a CVSS 2.0 base score of 5.0. 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-254.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-254
Affected product: Openstack Nova
Published: 2015-10-29
Last modified: 2026-06-17

Description

OpenStack Compute (Nova) before 2014.2.4 (juno) and 2015.1.x before 2015.1.2 (kilo) do not properly apply security group changes, which allows remote attackers to bypass intended restriction by leveraging an instance that was running when the change was made.

Frequently asked questions

What is CVE-2015-7713?: OpenStack Compute (Nova) before 2014.2.4 (juno) and 2015.1.x before 2015.1.2 (kilo) do not properly apply security group changes, which allows remote attackers to bypass intended restriction by leveraging an instance that was running when the change was made.
How severe is CVE-2015-7713?: CVE-2015-7713 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2015-7713 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-7713?: CVE-2015-7713 affects Openstack Nova. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-7713?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-7713 published?: CVE-2015-7713 was published on 2015-10-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*

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