vulnwire
6.5med

CVE-2017-6655

A vulnerability in the Fibre Channel over Ethernet (FCoE) protocol implementation in Cisco NX-OS Software could allow an unauthenticated, a…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
6.5
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
0.7%
percentile 53%
Public exploits
0
none known

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).

Exploit prediction (EPSS)

0.68% probability of exploitation in the next 30 days, higher than 53% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.16.5CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.03.3AV:A/AC:L/Au:N/C:N/I:N/A:P

Affected products

  • n/a Cisco NX-OS Software Fibre Channel over Ethernet

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

  • securitytracker.com /id/1038628 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • securityfocus.com /bid/98991 · vdb-entry, x_refsource_BID, x_transferred
  • tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-20170607-nxos · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.