# CVE-2013-1838: OpenStack Compute (Nova) Denial of service via a large number of calls to the addFixedIp function

Source: https://junglewise.ai/threats/cve-2013-1838-openstack-compute-nova-denial-of-service-via-a-large-number-of  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2013-03-22  
License: CC BY 4.0 with a link back

CVE-2013-1838 · Severity: low · CVSS 3.1 · Published 2013-03-22

OpenStack Compute (Nova) Grizzly, Folsom (2012.2), and Essex (2012.1) does not properly implement a quota for fixed IPs, which allows remote authenticated users to cause a denial of service (resource exhaustion and failure to spawn new instances) via a large number of calls to the addFixedIp function.

Technologies: [nova (PyPI)](https://junglewise.ai/threats/technologies/pypi-nova). Vendors: [PyPI](https://junglewise.ai/threats/vendors/pypi).

## Quick answers

**Is CVE-2013-1838 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2013-1838 being exploited in the wild.

**How severe is CVE-2013-1838?** Low severity, with a CVSS score of 3.1, published 22 March 2013.

**Which products and versions are affected?** nova (PyPI) ECOSYSTEM:introduced=0,fixed=12.0.0a0.

**Is there a fix for CVE-2013-1838?** Yes. nova (PyPI): upgrade to 12.0.0a0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2013-1838?** Check whether you run nova (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- nova (PyPI): upgrade to 12.0.0a0 or later

  ```sh
  pip install "nova>=12.0.0a0"
  ```


## Affected products

- nova (PyPI) ECOSYSTEM:introduced=0,fixed=12.0.0a0

## Identifiers

- CVE-2013-1838
- GHSA-63fq-8fp9-vhwq
- PYSEC-2013-44

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- [PYSEC-2026-882 - OpenStack Nova Changing vnic_type breaks compute service restart](https://junglewise.ai/threats/cve-2022-37394-openstack-nova-changing-vnic-type-breaks-compute-service-restart)
- [PYSEC-2026-857 - OpenStack Nova can leak consoleauth token into log files](https://junglewise.ai/threats/cve-2015-9543-openstack-nova-consoleauth-token-leak-into-log-files)