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CVE-2015-7713

16
FAUCET Score

CVE-2015-7713 describes a vulnerability in OpenStack Compute (Nova) versions prior to 2014.2.4 (Juno) and 2015.1.2 (Kilo) where security group changes are not correctly applied. This flaw allows remote attackers to bypass intended network restrictions on instances that were running when the security group modifications were made. With a CVSS score of 5.0, this vulnerability has a low attack complexity and can lead to unauthorized information modification (integrity impact) without requiring authentication. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2014.2, < 2014.2.4CPE matchmatch criteria
cpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*
>= 2015.1.0, < 2015.1.2CPE matchmatch criteria
cpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.67%
Probability of exploitation in next 30 days
EPSS Percentile
88.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0367 is in the 85th percentile among its peer group of 23,723 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (7)

pippatch availablevia ghsa
Product: novaFixed in: 2014.2.4
pippatch availablevia ghsa
Product: novaFixed in: 2015.1.2
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6Fixed in: openstack-nova-0:2014.1.5-16.el6ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7Fixed in: openstack-nova-0:2014.1.5-9.el7ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7Fixed in: openstack-nova-0:2014.2.3-42.el7ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7Fixed in: openstack-nova-0:2015.1.2-7.el7ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7Fixed in: python-novaclient-1:2.23.0-2.el7ost
View patch

Vendor Advisories (2)

pipGHSA-67rh-9p29-vrxrmedium

OpenStack Compute (Nova) allows remote attackers to bypass intended restriction

May 14, 2022
redhatCVE-2015-7713Moderate

openstack-nova: network security group changes are not applied to running instances

Oct 5, 2015

References

rhn.redhat.com / errata/RHSA-2015-2684.html
Third Party Advisory
access.redhat.com / errata/RHSA-2015:2673
Third Party Advisory
bugs.launchpad.net / nova/+bug/1491307
Third Party Advisory
bugs.launchpad.net / nova/+bug/1492961
Third Party Advisory
security.openstack.org / ossa/OSSA-2015-021.html
Vendor Advisory
securityfocus.com / bid/76960
Third Party AdvisoryVDB Entry