How severe is CVE-2014-6377?

CVE-2014-6377 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2014-6377 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-2014-6377?

CVE-2014-6377 primarily affects Juniper Junos E. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-6377?

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-2014-6377 published?

CVE-2014-6377 was published on 2014-10-14 and last updated on 2026-06-17.

CVE-2014-6377

CVE-2014-6377 is a high-severity vulnerability in Juniper Junos E 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 E
Published: 2014-10-14
Last modified: 2026-06-17

Description

Juniper JunosE before 13.3.3p0-1, 14.x before 14.3.2, and 15.x before 15.1.0, when DEBUG severity icmpTraffic logging is enabled, allows remote attackers to cause a denial of service (SRP reset) via a crafted ICMP packet to the (1) interface or (2) loopback IP address, which triggers a processor exception in ip_RxData_8.

Frequently asked questions

What is CVE-2014-6377?: Juniper JunosE before 13.3.3p0-1, 14.x before 14.3.2, and 15.x before 15.1.0, when DEBUG severity icmpTraffic logging is enabled, allows remote attackers to cause a denial of service (SRP reset) via a crafted ICMP packet to the (1) interface or (2) loopback IP address, which triggers a processor exception in ip_RxData_8.
How severe is CVE-2014-6377?: CVE-2014-6377 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2014-6377 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-2014-6377?: CVE-2014-6377 primarily affects Juniper Junos E. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-6377?: 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-2014-6377 published?: CVE-2014-6377 was published on 2014-10-14 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:o:juniper:junos_e:*:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_e:13.3.0:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_e:13.3.1:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_e:14.3.0:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_e:14.3.1:*:*:*:*:*:*:*

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