CVE-2014-3814 — 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

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HIGH

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

Published Jun 13, 2014

7.8

HIGH

CVSS 2.0

EPSS 1.33%

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.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.33% 0.01333

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01333

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.33% (0.01333)	70.11th	v5 (v2026.06.15)
Jun 15, 2026	1.33% (0.01333)	67.34th	v5 (v2026.06.15)
Mar 17, 2025	0.46% (0.00462)	62.11th	v4 (v2025.03.14)
Dec 12, 2024	0.30% (0.00298)	70.23th	v3 (v2023.03.01)
Feb 8, 2024	0.30% (0.00298)	68.57th	v3 (v2023.03.01)
Mar 7, 2023	0.30% (0.00298)	64.56th	v3 (v2023.03.01)
Mar 6, 2023	1.05% (0.01055)	52.13th	v2 (v2022.01.01)
Sep 17, 2022	1.05% (0.01055)	50.47th	v2 (v2022.01.01)
Apr 1, 2022	1.05% (0.01055)	48.43th	v2 (v2022.01.01)
Feb 4, 2022	1.05% (0.01055)	27.52th	v2 (v2022.01.01)

Weaknesses (1)

CWE-20

Improper Input Validation

References (2)

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10632
x_refsource_CONFIRMVendor Advisory
http://secunia.com/advisories/59026
third-party-advisoryx_refsource_SECUNIA

Link	Providers	Tags
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10632		x_refsource_CONFIRMVendor Advisory
http://secunia.com/advisories/59026		third-party-advisoryx_refsource_SECUNIA

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Jun 13, 2014

Updated Aug 6, 2024

Reserved May 21, 2014

Link CVE-2014-3814

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2014-3814

Red Hat

Severity n/a

Public date n/a

Links CVE-2014-3814