How severe is CVE-2017-2300?

CVE-2017-2300 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2017-2300 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-2300?

CVE-2017-2300 primarily affects Juniper Junos. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-2300?

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-2017-2300 published?

CVE-2017-2300 was published on 2017-05-30 and last updated on 2026-06-17.

CVE-2017-2300

CVE-2017-2300 is a high-severity vulnerability in Juniper Junos 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.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Juniper Junos
Published: 2017-05-30
Last modified: 2026-06-17

Description

On Juniper Networks SRX Series Services Gateways chassis clusters running Junos OS 12.1X46 prior to 12.1X46-D65, 12.3X48 prior to 12.3X48-D40, 12.3X48 prior to 12.3X48-D60, flowd daemon on the primary node of an SRX Series chassis cluster may crash and restart when attempting to synchronize a multicast session created via crafted multicast packets.

Frequently asked questions

What is CVE-2017-2300?: On Juniper Networks SRX Series Services Gateways chassis clusters running Junos OS 12.1X46 prior to 12.1X46-D65, 12.3X48 prior to 12.3X48-D40, 12.3X48 prior to 12.3X48-D60, flowd daemon on the primary node of an SRX Series chassis cluster may crash and restart when attempting to synchronize a multicast session created via crafted multicast packets.
How severe is CVE-2017-2300?: CVE-2017-2300 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2017-2300 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-2300?: CVE-2017-2300 primarily affects Juniper Junos. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-2300?: 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-2017-2300 published?: CVE-2017-2300 was published on 2017-05-30 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:o:juniper:junos:*:d60:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:*:d35:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:*:d50:*:*:*:*:*:*

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