Improper Authorization in Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches NX-OS Mode - CVE-2020-3394
Published: August 27, 2020
Vulnerability identifier: #VU46099
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-3394
CWE-ID: CWE-285
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco Nexus 3000 Series Switches
Cisco Nexus 9000 Series Switches NX-OS Mode
Cisco Nexus 3000 Series Switches
Cisco Nexus 9000 Series Switches NX-OS Mode
Detailed vulnerability description
The vulnerability allows a local user to bypass authorization checks.
The vulnerability exists due to a logic error in the implementation of the "enable" command in the Enable Secret feature. A local user can issue the "enable" command and get full administrative privileges on the target system.
How to mitigate CVE-2020-3394
Install updates from vendor's website.