CVE-2014-3555

OpenStack Neutron before 2013.2.4, 2014.x before 2014.1.2, and Juno before Juno-2 allows remote authenticated users to cause a denial of service (crash or long firewall rule updates) by creating a large number of allowed address pairs.

Published: 2014-07-23 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2014-3555 is rated Moderate Risk (45.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.21%). Core evidence: EPSS rose +1.33% over the last day, indicating growing attacker interest. Mandatory action: 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-2014-3555

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 0.88% 2.21% +1.33%
2 2025-10-19 1.02% 0.88% -0.15%
3 2025-04-16 1.02%

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-3555

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.0 2.0 MEDIUM
AV:N/AC:L/Au:S/C:N/I:N/A:P 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:P)
Partial availability impact.
8.0 2.9 [email protected]

Weakness enumeration for CVE-2014-3555

GitHub Security Advisory for CVE-2014-3555

GHSA-4pmp-38hf-rmwj · Severity: medium · Ecosystem: pip — OpenStack Neutron allows remote authenticated users to cause a denial of service

OS Trackers for CVE-2014-3555

vendor priority summary link
debian not yet assigned CVE-2014-3555 not yet assigned priority: Debian including 1 source packages (neutron), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2014-3555
redhat medium https://access.redhat.com/security/cve/CVE-2014-3555
ubuntu medium CVE-2014-3555 medium priority: Ubuntu including 1 source packages (neutron), 4 status rows across 4 suites (lucid, precise, trusty, upstream): DNE 2, released 2. https://ubuntu.com/security/CVE-2014-3555

Affected software / configurations for CVE-2014-3555

Vendor Product Version Raw CPE
openstack neutron 2013.2.4 cpe:2.3:a:openstack:neutron:2013.2.4:*:*:*:*:*:*:*
openstack neutron 2014.1 cpe:2.3:a:openstack:neutron:2014.1:*:*:*:*:*:*:*
openstack neutron 2014.1.1 cpe:2.3:a:openstack:neutron:2014.1.1:*:*:*:*:*:*:*
openstack neutron juno-1 cpe:2.3:a:openstack:neutron:juno-1:*:*:*:*:*:*:*

References for CVE-2014-3555

cvelogic Threat Intelligence