What is the CVSS score of CVE-2020-3478?

CVE-2020-3478 has a CVSS 3.1 base score of 8.1 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H. EPSS exploitation probability: 1.2%.

Enterprise Network Function Virtualization Infrastructure CVE-2020-3478

HIGH

Improper Input Validation (CWE-20)

2020-09-04 psirt@cisco.com

Cisco Information Disclosure Enterprise Network Function Virtualization Infrastructure

8.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.1 HIGH

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Sep 04, 2020 - 03:15 nvd

HIGH 8.1

DescriptionNVD

A vulnerability in the REST API of Cisco Enterprise NFV Infrastructure Software (NFVIS) could allow an authenticated, remote attacker to overwrite certain files that should be restricted on an affected device. The vulnerability is due to insufficient authorization enforcement on an affected system. An attacker could exploit this vulnerability by uploading a file using the REST API. A successful exploit could allow an attacker to overwrite and upload files, which could degrade the functionality of the affected system.

AnalysisAI

A vulnerability in the REST API of Cisco Enterprise NFV Infrastructure Software (NFVIS) could allow an authenticated, remote attacker to overwrite certain files that should be restricted on an. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-20. A vulnerability in the REST API of Cisco Enterprise NFV Infrastructure Software (NFVIS) could allow an authenticated, remote attacker to overwrite certain files that should be restricted on an affected device. The vulnerability is due to insufficient authorization enforcement on an affected system. An attacker could exploit this vulnerability by uploading a file using the REST API. A successful exploit could allow an attacker to overwrite and upload files, which could degrade the functionality of the affected system. Affected products include: Cisco Enterprise Network Function Virtualization Infrastructure.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.