How severe is CVE-2015-4197?

CVE-2015-4197 has a CVSS 2.0 base score of 6.1, rated medium severity.

Is CVE-2015-4197 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-4197?

CVE-2015-4197 affects Cisco Nx-os. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-4197?

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

When was CVE-2015-4197 published?

CVE-2015-4197 was published on 2015-06-20 and last updated on 2026-06-17.

CVE-2015-4197

CVE-2015-4197 is a medium-severity vulnerability in Cisco Nx-os with a CVSS 2.0 base score of 6.1. 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-20.

Key facts

Severity: Medium (CVSS 2.0 base score 6.1)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cisco Nx-os
Published: 2015-06-20
Last modified: 2026-06-17

Description

Cisco NX-OS 5.2(5) on Nexus 7000 devices allows remote attackers to cause a denial of service (device crash) by sending a malformed LLDP packet on the local network, aka Bug ID CSCud89415.

Frequently asked questions

What is CVE-2015-4197?: Cisco NX-OS 5.2(5) on Nexus 7000 devices allows remote attackers to cause a denial of service (device crash) by sending a malformed LLDP packet on the local network, aka Bug ID CSCud89415.
How severe is CVE-2015-4197?: CVE-2015-4197 has a CVSS 2.0 base score of 6.1, rated medium severity.
Is CVE-2015-4197 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-4197?: CVE-2015-4197 affects Cisco Nx-os. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-4197?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-4197 published?: CVE-2015-4197 was published on 2015-06-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:cisco:nx-os:5.2\(5\):*:*:*:*:*:*:*

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