How severe is CVE-2017-2309?

CVE-2017-2309 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2017-2309 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-2309?

CVE-2017-2309 affects Juniper Junos Space. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-2309?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-2309 published?

CVE-2017-2309 was published on 2017-05-30 and last updated on 2026-06-17.

CVE-2017-2309

CVE-2017-2309 is a medium-severity vulnerability in Juniper Junos Space with a CVSS 3.x base score of 5.9. 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: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.3
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Juniper Junos Space
Published: 2017-05-30
Last modified: 2026-06-17

Description

On Juniper Networks Junos Space versions prior to 16.1R1 when certificate based authentication is enabled for the Junos Space cluster, some restricted web services are accessible over the network. This represents an information leak risk.

Frequently asked questions

What is CVE-2017-2309?: On Juniper Networks Junos Space versions prior to 16.1R1 when certificate based authentication is enabled for the Junos Space cluster, some restricted web services are accessible over the network. This represents an information leak risk.
How severe is CVE-2017-2309?: CVE-2017-2309 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2017-2309 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-2309?: CVE-2017-2309 affects Juniper Junos Space. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-2309?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-2309 published?: CVE-2017-2309 was published on 2017-05-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:juniper:junos_space:*:*:*:*:*:*:*:*

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