RCE in Cisco Nexus 5548up
CVE-2017-6650
A vulnerability in the Telnet CLI command 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 the Telnet 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: CSCvb86771.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.009 (57.6th 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 (Third Party Advisory, vdb-entry, x_refsource_BID, Vendor Advisory)
- psirt@cisco.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-6650?
- CVE-2017-6650 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-2017-6650?
- High severity. CVSS v3 base score is 7.8 out of 10.