How severe is CVE-2014-6450?

CVE-2014-6450 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2014-6450 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-6450?

CVE-2014-6450 primarily affects Juniper Junos. In total, 75 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-6450?

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-2014-6450 published?

CVE-2014-6450 was published on 2015-10-16 and last updated on 2026-06-17.

CVE-2014-6450

CVE-2014-6450 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-119.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Juniper Junos
Published: 2015-10-16
Last modified: 2026-06-17

Description

Juniper Junos OS before 11.4R12-S4, 12.1X44 before 12.1X44-D41, 12.1X46 before 12.1X46-D26, 12.1X47 before 12.1X47-D11/D15, 12.2 before 12.2R9, 12.2X50 before 12.2X50-D70, 12.3 before 12.3R8, 12.3X48 before 12.3X48-D10, 12.3X50 before 12.3X50-D42, 13.1 before 13.1R4-S3, 13.1X49 before 13.1X49-D42, 13.1X50 before 13.1X50-D30, 13.2 before 13.2R6, 13.2X51 before 13.2X51-D26, 13.2X52 before 13.2X52-D15, 13.3 before 13.3R3-S3, 14.1 before 14.1R3, 14.2 before 14.2R1, 15.1 before 15.1R1, and 15.1X49 before 15.1X49-D10, when configured for IPv6, allow remote attackers to cause a denial of service (mbuf chain corruption and kernel panic) via crafted IPv6 packets.

Frequently asked questions

What is CVE-2014-6450?: Juniper Junos OS before 11.4R12-S4, 12.1X44 before 12.1X44-D41, 12.1X46 before 12.1X46-D26, 12.1X47 before 12.1X47-D11/D15, 12.2 before 12.2R9, 12.2X50 before 12.2X50-D70, 12.3 before 12.3R8, 12.3X48 before 12.3X48-D10, 12.3X50 before 12.3X50-D42, 13.1 before 13.1R4-S3, 13.1X49 before 13.1X49-D42, 13.1X50 before 13.1X50-D30, 13.2 before 13.2R6, 13.2X51 before 13.2X51-D26, 13.2X52 before 13.2X52-D15, 13.3 before 13.3R3-S3, 14.1 before 14.1R3, 14.2 before 14.2R1, 15.1 before 15.1R1, and 15.1X49 before 15.1X49-D10, when configured for IPv6, allow remote attackers to cause a denial of service (mbuf chain corruption and kernel panic) via crafted IPv6 packets.
How severe is CVE-2014-6450?: CVE-2014-6450 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2014-6450 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-6450?: CVE-2014-6450 primarily affects Juniper Junos. In total, 75 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-6450?: 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-2014-6450 published?: CVE-2014-6450 was published on 2015-10-16 and last updated on 2026-06-17.

References

Affected products (75)

cpe:2.3:o:juniper:junos:12.1x44:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x44:d10:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x44:d15:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x44:d20:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x44:d25:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x44:d30:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x44:d35:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x44:d40:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x46:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x46:d10:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x46:d15:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x46:d20:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x46:d25:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x47:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x47:d10:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x47:d15:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.2:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.2:r1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.2:r2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.2:r3:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.2:r4:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.2:r5:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.2:r6:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.2:r7:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.2:r8:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.2x65:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.3:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.3:r1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.3:r2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.3:r3:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.3:r4:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.3:r5:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.3:r6:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.3:r7:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.3x48:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.3x48:d5:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.3x50:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.3x50:d20:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.3x50:d30:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.3x50:d35:*:*:*:*:*:*

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