CVE-2017-6655

medium
Published 2017-06-13 · Modified 2026-05-13
CVSS v3
6.5
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
VIR risk
6.5

Description

A vulnerability in the Fibre Channel over Ethernet (FCoE) protocol implementation in Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition when an FCoE-related process unexpectedly reloads. This vulnerability affects Cisco NX-OS Software on the following Cisco devices when they are configured for FCoE: Multilayer Director Switches, Nexus 7000 Series Switches, Nexus 7700 Series Switches. More Information: CSCvc91729. Known Affected Releases: 8.3(0)CV(0.833). Known Fixed Releases: 8.3(0)ISH(0.62) 8.3(0)CV(0.944) 8.1(1) 8.1(0.8)S0 7.3(2)D1(0.47).

Predictions

Exploit likelihood
65%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

Application impact

VendorProductVersionsFixed
cisco ciscomds_9000_nx-os7.3\(1\)d1\(1\)
cisco cisconx-os_for_nexus_5500_platform_switches7.3\(1\)n1\(1\)
cisco cisconx-os_for_nexus_5600_platform_switches7.3\(1\)n1\(1\)
cisco cisconx-os_for_nexus_7700_series_switches8.0\(1\)\(ed\)

References

CWEs

CWE-119

💬 Discuss CVE-2017-6655 on VIR Community →

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.