CVE-2015-7749 — The PFE daemon in Juniper vSRX virtual firewalls with Junos OS before 15.1X49-D20 allows remote attackers to cause a denial of service via an unspecified connection request to the "host-OS."

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HIGH

The PFE daemon in Juniper vSRX virtual firewalls with Junos OS before 15.1X49-D20 allows remote attackers to cause a denial of service via an unspecified connection request to the "host-OS."

Published Oct 19, 2015

7.8

HIGH

CVSS 2.0

EPSS 2.17%

Description

The PFE daemon in Juniper vSRX virtual firewalls with Junos OS before 15.1X49-D20 allows remote attackers to cause a denial of service via an unspecified connection request to the "host-OS."

Affected products

Remediation

No remediation recorded yet.

Metrics

2.17% 0.02175

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

EPSS probability 0.02175

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	2.17% (0.02175)	81.66th	v5 (v2026.06.15)
Jun 15, 2026	2.17% (0.02175)	79.90th	v5 (v2026.06.15)
Mar 17, 2025	0.47% (0.00473)	62.64th	v4 (v2025.03.14)
Dec 12, 2024	0.21% (0.00213)	60.19th	v3 (v2023.03.01)
Jan 19, 2024	0.21% (0.00213)	59.29th	v3 (v2023.03.01)
Mar 7, 2023	0.18% (0.00180)	53.37th	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=JSA10703
x_refsource_CONFIRMVendor Advisory
http://www.securitytracker.com/id/1033856
vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry

Link	Providers	Tags
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10703		x_refsource_CONFIRMVendor Advisory
http://www.securitytracker.com/id/1033856		vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Oct 19, 2015

Updated Aug 6, 2024

Reserved Oct 8, 2015

Link CVE-2015-7749

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2015-7749

Red Hat

Severity n/a

Public date n/a

Links CVE-2015-7749