RCE in Cisco Nexus 5548up
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 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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.009 (58.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Cisco Nexus_5548up
- Cisco Nexus_5596t
- Cisco Nexus_5596up
- Cisco Nexus_56128p
- Cisco Nexus_5624q
- Cisco Nexus_5648q
- Cisco Nexus_5672up
- Cisco Nexus_5672up-16g
- Cisco Nexus_5696q
- Cisco Nx-os — versions 7.3\(0\)n1\(1\), 7.1\(2\)n1\(1\), 7.1(3)n1(1)
Weakness classification (CWE)
References
- psirt@cisco.com (vdb-entry, x_refsource_SECTRACK)
- psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- psirt@cisco.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-6649?
- CVE-2017-6649 is a high-severity vulnerability in Cisco Nexus 5548up, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2017-05-22.
- How severe is CVE-2017-6649?
- High severity. CVSS v3 base score is 7.8 out of 10.