CVE-2014-3814

Name: CVE-2014-3814
Creator: NVD / NIST
Published: 2014-06-13T14:55:16.167+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.33%

Last modified Jun 17, 2026

CVE-2014-3814 is a vulnerability of currently unknown severity. The Juniper Networks NetScreen Firewall devices with ScreenOS before 6.3r17, when configured to use the internal DNS lookup client, allows remote attackers to cause a denial of service (crash and reboot) via a sequence of malformed packets to the device IP.. EPSS estimates a 1.33% chance of exploitation in the next 30 days.

Description

The Juniper Networks NetScreen Firewall devices with ScreenOS before 6.3r17, when configured to use the internal DNS lookup client, allows remote attackers to cause a denial of service (crash and reboot) via a sequence of malformed packets to the device IP.

Metrics

EPSS Probability

1.33%

67.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Juniper	Screenos	<= 6.3.0
Juniper	Screenos	6.0.0
Juniper	Screenos	6.1.0
Juniper	Screenos	6.2.0
Juniper	Netscreen-5200	All versions
Juniper	Netscreen-5400	All versions

References

Timeline

Published: Jun 13, 2014
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2014-3814?

How severe is CVE-2014-3814?

Severity scoring for CVE-2014-3814 is pending analysis. The EPSS model estimates a 1.33% probability of exploitation in the next 30 days.

How do I fix CVE-2014-3814?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2014-3814?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST