What’s Vulnerable › Vulnerabilities

CVE-2013-2256

• Severity: medium (CVSS 6.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2013-09-16 · updated 2026-06-16
• Weakness: CWE-264

Description

OpenStack Compute (Nova) before 2013.1.3 and Havana before havana-2 does not properly enforce the os-flavor-access:is_public property, which allows remote authenticated users to obtain sensitive information (flavor properties), boot arbitrary flavors, and possibly have other unspecified impacts by guessing the flavor id.

Affected products

• OpenStack Nova: from 2013.1 before 2013.1.3; 2013.2-milestone1 — fixed in 2013.1.3

How to fix

Upgrade to a fixed version: OpenStack Nova 2013.1.3. Check the vendor advisory for mitigations.

References

• http://rhn.redhat.com/errata/RHSA-2013-1199.html
• http://seclists.org/oss-sec/2013/q3/281
• https://bugs.launchpad.net/nova/+bug/1194093
• http://rhn.redhat.com/errata/RHSA-2013-1199.html
• http://seclists.org/oss-sec/2013/q3/281
• https://bugs.launchpad.net/nova/+bug/1194093

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