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CVE-2020-3478

HIGHCVSS 8.1/10EPSS 1.21%

Last modified

CVE-2020-3478 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. 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. EPSS estimates a 1.21% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
8.1/10

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

EPSS Probability
1.21%

64.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoEnterprise Network Function Virtualization Infrastructure>= 3.5.1, <= 4.1.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-3478?
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.
How severe is CVE-2020-3478?
CVE-2020-3478 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 1.21% probability of exploitation in the next 30 days.
How do I fix CVE-2020-3478?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-3478?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST