CVE-2015-3241

OpenStack Compute (nova) 2015.1 through 2015.1.1, 2014.2.3, and earlier does not stop the migration process when the instance is deleted, which allows remote authenticated users to cause a denial of service (disk, network, and other resource consumption) by resizing and then deleting an instance.

Published: 2015-09-08 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-3241 is rated Moderate Risk (59.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.45%). EPSS rose +1.48% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2015-3241

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 1.97% 3.45% +1.48%
2 2025-12-15 2.65% 1.97% -0.68%
3 2025-12-14 — 2.65% —

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-3241

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:L/Au:S/C:N/I:N/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.0 6.9 [email protected]

Weakness enumeration for CVE-2015-3241

GitHub Security Advisory for CVE-2015-3241

GHSA-3vx7-xff6-h2vx · Severity: medium · Ecosystem: pip — OpenStack Nova instance migration process does not stop when instance is deleted

OS Trackers for CVE-2015-3241

vendor priority summary link
debian not yet assigned CVE-2015-3241 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-2015-3241
redhat medium — https://access.redhat.com/security/cve/CVE-2015-3241
ubuntu medium CVE-2015-3241 medium priority: Ubuntu including 1 source packages (nova), 9 status rows across 9 suites (precise, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): not-affected 5, ignored 2, released 2. https://ubuntu.com/security/CVE-2015-3241

Affected software / configurations for CVE-2015-3241

Vendor Product Version Raw CPE
openstack nova >= 2014.2, <= 2014.2.3 cpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*
openstack nova >= 2015.1.0, <= 2015.1.1 cpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*

References for CVE-2015-3241

cvelogic Threat Intelligence