#VU25475 Improper Verification of Cryptographic Signature in Enterprise NFV Infrastructure Software


Published: 2020-02-20

Vulnerability identifier: #VU25475

Vulnerability risk: Low

CVSSv3.1: 6.1 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-3138

CWE-ID: CWE-347

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Enterprise NFV Infrastructure Software
Server applications / Virtualization software

Vendor: Cisco Systems, Inc

Description
The vulnerability allows a local user to install a malicious file when upgrading.

The vulnerability exists due to insufficient signature validation. A local administrator can provide a specially crafted upgrade file and upload crafted code to the affected device.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Enterprise NFV Infrastructure Software: 3.11.1


External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nfvis-codex-shs4NhvS


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.


Latest bulletins with this vulnerability