CVE-2017-6649

HighCVSS 7.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.0 7.8/10CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-20 CWE-77

Affected software

Vendor	Product	Versions
n/a	Cisco Nexus Series Switches	Cisco Nexus Series Switches

References

http://www.securityfocus.com/bid/98531Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1038518
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170517-nssVendor Advisory
http://www.securityfocus.com/bid/98531Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1038518
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170517-nssVendor Advisory

Timeline

Published: May 22, 2017
Last modified: Jun 17, 2026
NVD status: Modified

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