CVE-2013-4185

mediumpriority · track · 17EPSS 0.021 · 82 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.10% (82nd) EPSS

CVSS 4 · medium

Is it mine?

5 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

4.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.4–4

v2.04mediumAV:N/AC:L/Au:S/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 8 · impact 2.9

v2.03.4lowAV:N/AC:L/Au:S/C:N/I:N/A:P/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-310USprimary

affected products (5)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
openstack compute2013.1 → 2013.1.3nvdUScpe:2.3:a:openstack:compute:*:*:*:*:*:*:*:*
openstack compute2013.2 → 2013.2.3nvdUScpe:2.3:a:openstack:compute:*:*:*:*:*:*:*:*
redhat openstack= 3.0nvdUScpe:2.3:a:redhat:openstack:*:*:*:*:*:*:*:*
PyPI nova< 12.0.0a0osvUSpkg:pypi/nova

advisories (2)

Vendor and ecosystem advisories describing this.

GHSA-ph2h-hh49-vh27OpenStack Nova Denial of Service in network source security groups2022-05-14ghsa · osvUS
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.
PYSEC-2026-879OpenStack Nova Denial of Service in network source security groups2026-07-06vendor · osvUS
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.

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd NVD CVE.org MITRE

published 2013-10-29modified 2026-06-16

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references (10)

External citations — patches, advisories, analysis.

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