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CVE-2014-3517

14
FAUCET Score

CVE-2014-3517 is a timing-based side-channel vulnerability in OpenStack Compute (Nova) versions prior to 2013.2.4, 2014.1.2, and Juno-2. When Nova proxies metadata requests through Neutron, this flaw allows remote attackers to more easily guess instance ID signatures through brute-force attacks by observing timing differences in responses. The vulnerability has a CVSS score of 4.3 (Medium), indicating a network-based attack with medium complexity, requiring no authentication, and potentially leading to partial confidentiality impact. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2013.2, <= 2013.2.4CPE matchmatch criteria
cpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*
>= 2014.1, < 2014.1.2CPE matchmatch criteria
cpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*
2014.2.0CPE matchmatch criteria
cpe:2.3:a:openstack:nova:2014.2.0:milestone1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.94%
Probability of exploitation in next 30 days
EPSS Percentile
78.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0194 is in the 61st percentile among its peer group of 19,958 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, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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 (5)

pippatch availablevia ghsa
Product: novaFixed in: 2013.2.4
pippatch availablevia ghsa
Product: novaFixed in: 2014.1.2
redhatpatch availablevia redhat_api
Product: OpenStack 4 for RHEL 6Fixed in: openstack-nova-0:2013.2.3-12.el6ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7Fixed in: openstack-nova-0:2014.1.1-4.el7ost
View patch
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 3Fixed in: openstack-nova

Vendor Advisories (2)

pipGHSA-xjmj-p278-4jp5medium

OpenStack Compute (Nova) Exposure of Sensitive Information to an Unauthorized Actor vulnerability

May 14, 2022
redhatCVE-2014-3517Moderate

openstack-nova: timing attack issue allows access to other instances' configuration information

Jul 17, 2014

References

bugs.launchpad.net / nova/+bug/1325128
Third Party Advisory
openwall.com / lists/oss-security/2014/07/17/2
PatchThird Party Advisory