Improper Verification of Cryptographic Signature in Enterprise NFV Infrastructure Software - CVE-2020-3138

Vulnerability identifier: #VU25475

CSH Severity: Low

CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-3138

CWE-ID: CWE-347

Exploitation vector: Local access

Exploit availability: No public exploit available

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.

Enterprise NFV Infrastructure Software

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

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nfvis-codex-shs4NhvS

• Improper Verification of Cryptographic Signature in Cisco Enterprise NFV Infrastructure Software