How severe is CVE-2015-4324?

CVE-2015-4324 has a CVSS 2.0 base score of 6.1, rated medium severity.

Is CVE-2015-4324 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-4324?

CVE-2015-4324 primarily affects Cisco Nx-os. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-4324?

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

When was CVE-2015-4324 published?

CVE-2015-4324 was published on 2015-08-19 and last updated on 2026-06-17.

CVE-2015-4324

CVE-2015-4324 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-119.

Key facts

Severity: Medium (CVSS 2.0 base score 6.1)
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Cisco Nx-os
Published: 2015-08-19
Last modified: 2026-06-17

Description

Buffer overflow in Cisco NX-OS on Nexus 1000V devices for VMware vSphere 7.3(0)ZN(0.81), Nexus 3000 devices 7.3(0)ZN(0.81), Nexus 4000 devices 4.1(2)E1(1c), Nexus 7000 devices 7.2(0)N1(0.1), and Nexus 9000 devices 7.3(0)ZN(0.81) allows remote attackers to cause a denial of service (IGMP process restart) via a malformed IGMPv3 packet that is mishandled during memory allocation, aka Bug IDs CSCuv69713, CSCuv69717, CSCuv69723, CSCuv69732, and CSCuv48908.

Frequently asked questions

What is CVE-2015-4324?: Buffer overflow in Cisco NX-OS on Nexus 1000V devices for VMware vSphere 7.3(0)ZN(0.81), Nexus 3000 devices 7.3(0)ZN(0.81), Nexus 4000 devices 4.1(2)E1(1c), Nexus 7000 devices 7.2(0)N1(0.1), and Nexus 9000 devices 7.3(0)ZN(0.81) allows remote attackers to cause a denial of service (IGMP process restart) via a malformed IGMPv3 packet that is mishandled during memory allocation, aka Bug IDs CSCuv69713, CSCuv69717, CSCuv69723, CSCuv69732, and CSCuv48908.
How severe is CVE-2015-4324?: CVE-2015-4324 has a CVSS 2.0 base score of 6.1, rated medium severity.
Is CVE-2015-4324 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-4324?: CVE-2015-4324 primarily affects Cisco Nx-os. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-4324?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-4324 published?: CVE-2015-4324 was published on 2015-08-19 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:o:cisco:nx-os:7.3\(0\)zn\(0.81\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:4.1\(2\)e1\(1c\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:7.2\(0\)n1\(0.1\):*:*:*:*:*:*:*

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