Is CVE-2017-2309 being actively exploited?

CVE-2017-2309 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2017-2309?

CVE-2017-2309 has a CVSS 3.0 base score of 5.9 (MEDIUM).

CVE-2017-2309

MEDIUM · CVSS 5.9EPSS 0.8%EU EUVD

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.

Key facts

CVSS score: 5.9 (v3.0)
Severity: MEDIUM
CVSS vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE): CWE-200
EPSS score: 0.8% (55th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2017-11492)
Published: May 30, 2017
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2017-11492 in the EU Vulnerability Database. Last updated in EUVD on August 5, 2024.

View on the EU Vulnerability Database

Affected products

juniper / junos space

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

Junos Space Network Management Platform, with or without Network Director and with or without Security Director in Virtual Appliance - Juniper Networks, Inc. - FIPS 140 3779 - historical

References

http://www.securityfocus.com/bid/98750(Third Party Advisory, VDB Entry)
https://kb.juniper.net/JSA10770(Mitigation, Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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