How severe is CVE-2013-4185?

CVE-2013-4185 has a CVSS 2.0 base score of 4.0, rated medium severity.

Is CVE-2013-4185 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-4185?

CVE-2013-4185 primarily affects Redhat Openstack. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-4185?

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

When was CVE-2013-4185 published?

CVE-2013-4185 was published on 2013-10-29 and last updated on 2026-06-16.

CVE-2013-4185

CVE-2013-4185 is a medium-severity vulnerability in Redhat Openstack 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-310.

Key facts

Severity: Medium (CVSS 2.0 base score 4.0)
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Redhat Openstack
Published: 2013-10-29
Last modified: 2026-06-16

Description

Algorithmic complexity vulnerability in OpenStack Compute (Nova) before 2013.1.3 and Havana before havana-3 does not properly handle network source security group policy updates, which allows remote authenticated users to cause a denial of service (nova-network consumption) via a large number of server-creation operations, which triggers a large number of update requests.

Frequently asked questions

What is CVE-2013-4185?: Algorithmic complexity vulnerability in OpenStack Compute (Nova) before 2013.1.3 and Havana before havana-3 does not properly handle network source security group policy updates, which allows remote authenticated users to cause a denial of service (nova-network consumption) via a large number of server-creation operations, which triggers a large number of update requests.
How severe is CVE-2013-4185?: CVE-2013-4185 has a CVSS 2.0 base score of 4.0, rated medium severity.
Is CVE-2013-4185 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4185?: CVE-2013-4185 primarily affects Redhat Openstack. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-4185?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-4185 published?: CVE-2013-4185 was published on 2013-10-29 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:openstack:compute:*:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openstack:3.0:*:*:*:*:*:*:*

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