Is CVE-2014-3517 in the CISA KEV catalog?

No. CVE-2014-3517 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2014-3517?

CVE-2014-3517 has a CVSS v2 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2014-3517?

CVE-2014-3517 has an EPSS score of 1.94% (78th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2014-3517?

Upgrade nova on debian 11 to 2014.1.1-8 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2014-3517

MEDIUMEPSS 78th pctl

4.3

CVSS v2

NVD

Description

api/metadata/handler.py in OpenStack Compute (Nova) before 2013.2.4, 2014.x before 2014.1.2, and Juno before Juno-2, when proxying metadata requests through Neutron, makes it easier for remote attackers to guess instance ID signatures via a brute-force attack that relies on timing differences in responses to instance metadata requests.

CWE-200Information Exposure

How to fix

Remediation Available

novaDebian

Fixed in:2014.1.1-8CVE-2014-3517

novaUbuntu

Fixed in:1:2014.1.2-0ubuntu1.1USN-2325-1

python-novaUbuntu

Fixed in:1:2014.1.2-0ubuntu1.1USN-2325-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

1.94%probability of exploitation in 30 days

78thpercentile

Elevated risk: more likely to be exploited than 78% of all known CVEs.

References

Patch1

openwall.com

Third-Party Advisory1

bugs.launchpad.net

Related Vulnerabilities

Other CWE-200 (Information Exposure) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-24919	High	8.6	100%	KEV + Ransom	-
CVE-2020-14181	Medium	5.3	100%	-	Fix
CVE-2021-34429	Medium	5.3	99%	-	Fix
CVE-2018-11409	Medium	5.3	98%	-	-
CVE-2021-41277	Critical	10.0	97%	KEV	-
CVE-2016-2183	High	7.5	96%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.