CVE-2013-2256

Exp

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.

Published: 2013-09-16 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-2256 is rated High Exploit Risk (66.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.83%). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.36% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2013-2256

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2013-2256

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.47% 1.83% +1.36%
2 2025-12-14 0.34% 0.47% +0.13%
3 2025-03-30 — 0.34% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-2256

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.0 2.0 MEDIUM
AV:N/AC:M/Au:S/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 6.8 6.4 [email protected]

Weakness enumeration for CVE-2013-2256

GitHub Security Advisory for CVE-2013-2256

GHSA-5mj6-643f-2g85 · Severity: medium · Ecosystem: pip — OpenStack Compute (Nova) allows remote authenticated users to obtain sensitive information

OS Trackers for CVE-2013-2256

vendor priority summary link
debian not yet assigned CVE-2013-2256 not yet assigned priority: Debian including 1 source packages (nova), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2013-2256
redhat medium — https://access.redhat.com/security/cve/CVE-2013-2256
ubuntu medium CVE-2013-2256 medium priority: Ubuntu including 1 source packages (nova), 6 status rows across 6 suites (lucid, precise, quantal, raring, saucy, upstream): not-affected 2, released 2, DNE 1, pending 1. https://ubuntu.com/security/CVE-2013-2256

Affected software / configurations for CVE-2013-2256

Vendor Product Version Raw CPE
openstack nova >= 2013.1, < 2013.1.3 cpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*
openstack nova 2013.2 cpe:2.3:a:openstack:nova:2013.2:milestone1:*:*:*:*:*:*

References for CVE-2013-2256

URL Tags
http://rhn.redhat.com/errata/RHSA-2013-1199.html Third Party Advisory
http://seclists.org/oss-sec/2013/q3/281 Mailing List Patch Third Party Advisory
https://bugs.launchpad.net/nova/+bug/1194093 Exploit Third Party Advisory
cvelogic Threat Intelligence