How severe is CVE-2026-102030?

CVE-2026-102030 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-2026-102030 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-102030?

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-2026-102030 published?

CVE-2026-102030 was published on 2026-10-14 and last updated on 2026-10-16.

CVE-2026-102030

CVE-2026-102030 is a high-severity vulnerability 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-459.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 8.7
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-459
Published: 2026-10-14
Last modified: 2026-10-16

Description

An Incomplete Cleanup vulnerability in the rpd process of Juniper Networks Junos OS and Junos OS Evolved allows a configured MVPN neighbor to cause a denial of service via a BGP MVPN update when an inter‑region segmented VRF with 'protocols mvpn inter-region-template' is configured.

Frequently asked questions

What is CVE-2026-102030?: An Incomplete Cleanup vulnerability in the rpd process of Juniper Networks Junos OS and Junos OS Evolved allows a configured MVPN neighbor to cause a denial of service via a BGP MVPN update when an inter‑region segmented VRF with 'protocols mvpn inter-region-template' is configured.
How severe is CVE-2026-102030?: CVE-2026-102030 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-2026-102030 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-102030?: 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-2026-102030 published?: CVE-2026-102030 was published on 2026-10-14 and last updated on 2026-10-16.

References

https://supportportal.juniper.net/JSA112187

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