What is CVE-2020-3454?

CVE-2020-3454 is a high-severity vulnerability in Cisco Nx-Os Software 5.0(1a), classified under Improper Input Validation. CVSS score: 7.2/10. Published 2020-08-27.

How severe is CVE-2020-3454?

High severity. CVSS v3 base score is 7.2 out of 10.

RCE in Cisco Nx-Os Software 5.0(1a)

CVE-2020-3454

A vulnerability in the Call Home feature of Cisco NX-OS Software could allow an authenticated, remote attacker to inject arbitrary commands that could be executed with root privileges on the underlying operating system (OS). The vulnerability is due to insufficient input validation of specific Call Home configuration parameters when the software is configured for transport method HTTP. An attacker could exploit this vulnerability by modifying parameters within the Call Home configuration on an affected device. A successful exploit could allow the attacker to execute arbitrary commands with root privileges on the underlying OS.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.026 (84.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2020-3454?: CVE-2020-3454 is a high-severity vulnerability in Cisco Nx-Os Software 5.0(1a), classified under Improper Input Validation. CVSS score: 7.2/10. Published 2020-08-27.
How severe is CVE-2020-3454?: High severity. CVSS v3 base score is 7.2 out of 10.