CVE-2017-6649

Severity: high (CVSS 7.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-05-22 · updated 2026-06-17
Weakness: CWE-20

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.

Affected products

Cisco NX-OS: 7.1(1)n1(1), 7.1(2)n1(1), 7.1(3)n1(1), 7.1(3)n1(2), 7.1(3)n1(2.1), 7.1(3)n1(3.12) (+6)

References

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