Vulnerability identifier: #VU46099

Vulnerability risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-3394

CWE-ID: CWE-285

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Cisco Nexus 3000 Series Switches
Hardware solutions / Routers & switches, VoIP, GSM, etc
Cisco Nexus 9000 Series Switches NX-OS Mode
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Cisco Systems, Inc

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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cisco Nexus 3000 Series Switches: All versions

Cisco Nexus 9000 Series Switches NX-OS Mode: 9.2.3 - 9.3.3

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-n3n9k-priv-escal-3QhXJBC

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.