HIGH · 7.8

CVE-2017-6649

A vulnerability in the CLI of Cisco NX-OS System Software 7.1 through 7.3 running on Cisco Nexus Series Switches could allow an authenticated, local attacker to perform a command injection attack. The...

Vulnerability Description

A vulnerability in the CLI of Cisco NX-OS System Software 7.1 through 7.3 running on Cisco Nexus Series Switches could allow an authenticated, local attacker to perform a command injection attack. The vulnerability is due to insufficient input validation of command arguments. An attacker could exploit this vulnerability by injecting crafted command arguments into a vulnerable CLI command. An exploit could allow the attacker to read or write arbitrary files at the user's privilege level outside of the user's path. Cisco Bug IDs: CSCvb86787, CSCve60516, CSCve60555.

CVSS Score

7.8

HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
CiscoNx-Os7.1\(1\)n1\(1\)
CiscoNexus 5548Up-
CiscoNexus 5596T-
CiscoNexus 5596Up-
CiscoNexus 56128P-
CiscoNexus 5624Q-
CiscoNexus 5648Q-
CiscoNexus 5672Up-
CiscoNexus 5672Up-16G-
CiscoNexus 5696Q-

Related Weaknesses (CWE)

References

FAQ

What is CVE-2017-6649?

CVE-2017-6649 is a vulnerability with a CVSS score of 7.8 (HIGH). A vulnerability in the CLI of Cisco NX-OS System Software 7.1 through 7.3 running on Cisco Nexus Series Switches could allow an authenticated, local attacker to perform a command injection attack. The...

How severe is CVE-2017-6649?

CVE-2017-6649 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-6649?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Nx-Os, Cisco Nexus 5548Up, Cisco Nexus 5596T, Cisco Nexus 5596Up, Cisco Nexus 56128P.