CVE-2017-2320 — A vulnerability in Juniper Networks NorthStar Controller Application prior to version 2.1.0 Service Pack 1 may allow an unauthenticated, unprivileged, network-based attacker to cause various denials of services leading to targeted information disclosure, modification of any component of the NorthStar system, including managed systems, and full denial of services to any systems under management which NorthStar interacts with using read-only or read-write credentials

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CRITICAL

A vulnerability in Juniper Networks NorthStar Controller Application prior to version 2.1.0 Service Pack 1 may allow an unauthenticated, unprivileged, network-based attacker to cause various denials of services leading to targeted information disclosure, modification of any component of the NorthStar system, including managed systems, and full denial of services to any systems under management which NorthStar interacts with using read-only or read-write credentials

Published Apr 24, 2017

10.0

CRITICAL

CVSS 3.0

EPSS 1.86%

Description

A vulnerability in Juniper Networks NorthStar Controller Application prior to version 2.1.0 Service Pack 1 may allow an unauthenticated, unprivileged, network-based attacker to cause various denials of services leading to targeted information disclosure, modification of any component of the NorthStar system, including managed systems, and full denial of services to any systems under management which NorthStar interacts with using read-only or read-write credentials.

Affected products

Vendor Juniper Networks Product NorthStar Controller Application Default
n/a
- Version
  prior to version 2.1.0 Service Pack 1
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Juniper Networks

NorthStar Controller Application

n/a

Version	Status	Constraints
prior to version 2.1.0 Service Pack 1	affected	-

Remediation

No remediation recorded yet.

Metrics

1.86% 0.01856

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

EPSS probability 0.01856

Score over time

2021–2026

EPSS v1
EPSS v2
EPSS v3
EPSS v5

Percentile over time

EPSS v1
EPSS v2
EPSS v3
EPSS v5

Table of values (13 key points)

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

Date	Score	Percentile	Model
Oct 1, 2026	1.86% (0.01856)	78.42th	v5 (v2026.06.15)
Jun 15, 2026	1.86% (0.01856)	76.36th	v5 (v2026.06.15)
Jul 20, 2024	0.24% (0.00240)	62.44th	v3 (v2023.03.01)
Jun 20, 2024	0.24% (0.00240)	62.21th	v3 (v2023.03.01)
Mar 7, 2023	0.24% (0.00240)	60.18th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00885)	27.89th	v2 (v2022.01.01)
Sep 10, 2022	0.89% (0.00885)	26.24th	v2 (v2022.01.01)
Apr 1, 2022	0.89% (0.00885)	24.24th	v2 (v2022.01.01)
Feb 4, 2022	0.89% (0.00885)	10.50th	v2 (v2022.01.01)
Feb 3, 2022	0.78% (0.00777)	21.50th	v1
Jan 6, 2022	0.78% (0.00777)	20.90th	v1
Sep 1, 2021	0.78% (0.00777)	50.67th	v1
Apr 14, 2021	0.78% (0.00777)	0.00th	v1

Weaknesses (1)

CWE-200

Exposure of Sensitive Information

References (2)

http://www.securityfocus.com/bid/97687
vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
https://kb.juniper.net/JSA10783
x_refsource_CONFIRMMitigationVendor Advisory

Link	Providers	Tags
http://www.securityfocus.com/bid/97687		vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
https://kb.juniper.net/JSA10783		x_refsource_CONFIRMMitigationVendor Advisory