How severe is CVE-2017-2334?

CVE-2017-2334 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-2334 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-2334?

CVE-2017-2334 affects Juniper Northstar Controller. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-2334?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-2334 published?

CVE-2017-2334 was published on 2017-04-24 and last updated on 2026-06-17.

CVE-2017-2334

CVE-2017-2334 is a high-severity vulnerability in Juniper Northstar Controller with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Juniper Northstar Controller
Published: 2017-04-24
Last modified: 2026-06-17

Description

An information leak vulnerability in Juniper Networks NorthStar Controller Application prior to version 2.1.0 Service Pack 1 may allow a network-based malicious attacker to perform a man-in-the-middle attack, thereby stealing authentic credentials from encrypted paths which are easily decrypted, and subsequently gain complete control of the system.

Frequently asked questions

What is CVE-2017-2334?: An information leak vulnerability in Juniper Networks NorthStar Controller Application prior to version 2.1.0 Service Pack 1 may allow a network-based malicious attacker to perform a man-in-the-middle attack, thereby stealing authentic credentials from encrypted paths which are easily decrypted, and subsequently gain complete control of the system.
How severe is CVE-2017-2334?: CVE-2017-2334 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-2334 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-2334?: CVE-2017-2334 affects Juniper Northstar Controller. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-2334?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-2334 published?: CVE-2017-2334 was published on 2017-04-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:juniper:northstar_controller:*:*:*:*:*:*:*:*

More vulnerabilities in Juniper Northstar Controller

CVE-2017-2320 — Critical (CVSS 10.0): A vulnerability in Juniper Networks NorthStar Controller Application prior to version 2.1.0 Service Pack 1 may allow an…
CVE-2017-2332 — High (CVSS 8.8): An insufficient authentication vulnerability in Juniper Networks NorthStar Controller Application prior to version…
CVE-2017-2321 — High (CVSS 8.6): A vulnerability in Juniper Networks NorthStar Controller Application prior to version 2.1.0 Service Pack 1 may allow an…
CVE-2017-2317 — High (CVSS 8.6): A denial of service vulnerability in Juniper Networks NorthStar Controller Application prior to version 2.1.0 Service…
CVE-2017-2319 — High (CVSS 8.3): A vulnerability in Juniper Networks NorthStar Controller Application prior to version 2.1.0 Service Pack 1 may allow a…
CVE-2017-2323 — High (CVSS 7.5): A denial of service vulnerability in Juniper Networks NorthStar Controller Application prior to version 2.1.0 Service…

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