How severe is CVE-2014-6378?

CVE-2014-6378 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2014-6378 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-2014-6378?

CVE-2014-6378 primarily affects Juniper Junos. In total, 22 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-6378?

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-2014-6378 published?

CVE-2014-6378 was published on 2014-10-14 and last updated on 2026-06-17.

CVE-2014-6378

CVE-2014-6378 is a high-severity vulnerability in Juniper Junos with a CVSS 2.0 base score of 7.8. 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-399.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Juniper Junos
Published: 2014-10-14
Last modified: 2026-06-17

Description

Juniper Junos 11.4 before R12-S4, 12.1X44 before D35, 12.1X45 before D30, 12.1X46 before D25, 12.1X47 before D10, 12.2 before R9, 12.2X50 before D70, 12.3 before R7, 13.1 before R4 before S3, 13.1X49 before D55, 13.1X50 before D30, 13.2 before R5, 13.2X50 before D20, 13.2X51 before D26 and D30, 13.2X52 before D15, 13.3 before R3, and 14.1 before R1 allows remote attackers to cause a denial of service (router protocol daemon crash) via a crafted RSVP PATH message.

Frequently asked questions

What is CVE-2014-6378?: Juniper Junos 11.4 before R12-S4, 12.1X44 before D35, 12.1X45 before D30, 12.1X46 before D25, 12.1X47 before D10, 12.2 before R9, 12.2X50 before D70, 12.3 before R7, 13.1 before R4 before S3, 13.1X49 before D55, 13.1X50 before D30, 13.2 before R5, 13.2X50 before D20, 13.2X51 before D26 and D30, 13.2X52 before D15, 13.3 before R3, and 14.1 before R1 allows remote attackers to cause a denial of service (router protocol daemon crash) via a crafted RSVP PATH message.
How severe is CVE-2014-6378?: CVE-2014-6378 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2014-6378 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-2014-6378?: CVE-2014-6378 primarily affects Juniper Junos. In total, 22 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-6378?: 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-2014-6378 published?: CVE-2014-6378 was published on 2014-10-14 and last updated on 2026-06-17.

References

Affected products (22)

cpe:2.3:o:juniper:junos:11.4:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:11.4:r12:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x44:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x45:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x46:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x46:d20:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x47:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.2:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.2:r8-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.2x50:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.3:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:13.1:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:13.1:r4-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:13.1x49:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:13.1x50:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:13.2:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:13.2x50:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:13.2x51:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:13.2x52:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:13.3:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:13.3:r2-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:14.1:*:*:*:*:*:*:*

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Other CWE-399 (Resource Management Errors) vulnerabilities

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