How severe is CVE-2015-6394?

CVE-2015-6394 has a CVSS 2.0 base score of 4.9, rated medium severity.

Is CVE-2015-6394 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-6394?

CVE-2015-6394 affects Cisco Nx-os. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-6394?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-6394 published?

CVE-2015-6394 was published on 2015-12-05 and last updated on 2026-06-17.

CVE-2015-6394

CVE-2015-6394 is a medium-severity vulnerability in Cisco Nx-os with a CVSS 2.0 base score of 4.9. 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: Medium (CVSS 2.0 base score 4.9)
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Cisco Nx-os
Published: 2015-12-05
Last modified: 2026-06-17

Description

The kernel in Cisco NX-OS 5.2(9)N1(1) on Nexus 5000 devices allows local users to cause a denial of service (device crash) via crafted USB parameters, aka Bug ID CSCus89408.

Frequently asked questions

What is CVE-2015-6394?: The kernel in Cisco NX-OS 5.2(9)N1(1) on Nexus 5000 devices allows local users to cause a denial of service (device crash) via crafted USB parameters, aka Bug ID CSCus89408.
How severe is CVE-2015-6394?: CVE-2015-6394 has a CVSS 2.0 base score of 4.9, rated medium severity.
Is CVE-2015-6394 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-6394?: CVE-2015-6394 affects Cisco Nx-os. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-6394?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-6394 published?: CVE-2015-6394 was published on 2015-12-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:cisco:nx-os:5.2\(9\)n1\(1\):*:*:*:*:*:*:*

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