#VU13448 Security restrictions bypass in Cisco NX-OS - CVE-2018-0294

Vulnerability identifier: #VU13448

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-0294

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Cisco NX-OS
Operating systems & Components / Operating system

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a local attacker to configure an unauthorized administrator account for an affected device.

The vulnerability exists in the write-erase feature due to improper deletion of sensitive files when certain CLI commands are used to clear the device configuration and reload a device. A local attacker can log into an affected device as an administrative user and configure an unauthorized account for the device.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Cisco NX-OS: All versions

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External links
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180620-nxosadmin

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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.