CVE-2015-4323

Name: CVE-2015-4323
Creator: NVD / NIST
Published: 2015-08-19T23:59:02.59+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.97%

Last modified Jun 17, 2026

CVE-2015-4323 is a vulnerability of currently unknown severity. Buffer overflow in Cisco NX-OS on Nexus 1000V devices for VMware vSphere 7.3(0)ZN(0.9); Nexus 3000 devices 6.0(2)U5(1.41), 7.0(3)I2(0.373), and 7.3(0)ZN(0.83); Nexus 4000 devices 4.1(2)E1(1b); Nexus 7000 devices 6.2(14)S1; Nexus 9000 devices 7.3(0)ZN(0.9); and MDS 9000 devices 6.2 (13) and 7.1(0)ZN(91.99) and MDS SAN-OS 7.1(0)ZN(91.99) allows remote attackers to cause a denial of service (device outage) via a crafted ARP packet, related to incorrect MTU validation, aka Bug IDs CSCuv71933, CSCuv61341, CSCuv61321, CSCuu78074, CSCut37060, CSCuv61266, CSCuv61351, CSCuv61358, and CSCuv61366.. EPSS estimates a 0.97% chance of exploitation in the next 30 days.

Description

Buffer overflow in Cisco NX-OS on Nexus 1000V devices for VMware vSphere 7.3(0)ZN(0.9); Nexus 3000 devices 6.0(2)U5(1.41), 7.0(3)I2(0.373), and 7.3(0)ZN(0.83); Nexus 4000 devices 4.1(2)E1(1b); Nexus 7000 devices 6.2(14)S1; Nexus 9000 devices 7.3(0)ZN(0.9); and MDS 9000 devices 6.2 (13) and 7.1(0)ZN(91.99) and MDS SAN-OS 7.1(0)ZN(91.99) allows remote attackers to cause a denial of service (device outage) via a crafted ARP packet, related to incorrect MTU validation, aka Bug IDs CSCuv71933, CSCuv61341, CSCuv61321, CSCuu78074, CSCut37060, CSCuv61266, CSCuv61351, CSCuv61358, and CSCuv61366.

Metrics

EPSS Probability

0.97%

57.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Cisco	Nx-Os	6.2\(14\)s1
Cisco	Nx-Os	6.0\(2\)u5\(1.41\)
Cisco	Nx-Os	7.0\(3\)i2\(0.373\)
Cisco	Nx-Os	7.3\(0\)zn\(0.83\)
Cisco	Nx-Os	7.3\(0\)zn\(0.9\)
Cisco	Mds 9000 Nx-Os	6.2\(13\)
Cisco	Mds 9000 Nx-Os	7.1\(0\)zn\(91.99\)
Cisco	Nx-Os	4.1\(2\)e1\(1b\)

References

Timeline

Published: Aug 19, 2015
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-4323?

How severe is CVE-2015-4323?

Severity scoring for CVE-2015-4323 is pending analysis. The EPSS model estimates a 0.97% probability of exploitation in the next 30 days.

How do I fix CVE-2015-4323?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-4323?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST