#VU13431 Command injection in Cisco NX-OS - CVE-2018-0313

Vulnerability identifier: #VU13431

Vulnerability risk: Low

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/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-2018-0313

CWE-ID: CWE-77

Exploitation vector: Network

Exploit availability: No

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

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a remote authenticated attacker to execute arbitrary commands on the target system.

The vulnerability exists in the NX-API feature of Cisco NX-OS Software due to incorrect input validation of user-supplied data to the NX-API subsystem. A remote attacker can send a malicious HTTP or HTTPS packet to the management interface of an affected system that has the NX-API feature enabled, inject and execute arbitrary commands with root privileges.

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-nx-os-api-ex...

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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