Is CVE-2014-3817 being actively exploited?

CVE-2014-3817 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2014-3817?

CVE-2014-3817 has a CVSS 2.0 base score of 7.8 (HIGH).

CVE-2014-3817

HIGH · CVSS 7.8EPSS 3.4%EU EUVD

Juniper Junos 11.4 before 11.4R12, 12.1X44 before 12.1X44-D32, 12.1X45 before 12.1X45-D25, 12.1X46 before 12.1X46-D20, and 12.1X47 before 12.1X47-D10 on SRX Series devices, when NAT protocol translation from IPv4 to IPv6 is enabled, allows remote attackers to cause a denial of service (flowd hang or crash) via a crafted packet.

Key facts

CVSS score: 7.8 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness (CWE): CWE-20
EPSS score: 3.4% (89th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2014-3755)
Published: July 11, 2014
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2014-3755 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
juniper / junos
juniper / junos
juniper / srx100
juniper / srx110
juniper / srx1400
juniper / srx210
juniper / srx220
juniper / srx240
juniper / srx3400
juniper / srx3600
juniper / srx550
juniper / srx5600
juniper / srx5800
juniper / srx650

References

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

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