Is CVE-2014-6383 being actively exploited?

CVE-2014-6383 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2014-6383?

CVE-2014-6383 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2014-6383

MEDIUM · CVSS 5.0EPSS 2.1%EU EUVD

The stateless firewall in Juniper Junos 13.3R3, 14.1R1, and 14.1R2, when using Trio-based PFE modules, does not properly match ports, which might allow remote attackers to bypass firewall rule.

Key facts

CVSS score: 5.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:N/I:P/A:N
Weakness (CWE): CWE-17
EPSS score: 2.1% (82th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2014-6267)
Published: January 16, 2015
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2014-6267 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

juniper / junos
juniper / junos
juniper / junos

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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