CVE-2015-4323

Severity: medium (CVSS 6.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-08-19 · updated 2026-06-17
Weakness: CWE-119

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.

Affected products

Cisco Mds 9000 Nx-Os: 6.2(13), 7.1(0)zn(91.99)
Cisco NX-OS: 6.2(14)s1, 6.0(2)u5(1.41), 7.0(3)i2(0.373), 7.3(0)zn(0.83), 7.3(0)zn(0.9), 4.1(2)e1(1b)

References

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