Auth bypass in Cisco 1100-4g Integrated Services Router

CVE-2020-3388

A vulnerability in the CLI of Cisco SD-WAN vManage Software could allow an authenticated, local attacker to inject arbitrary commands that are executed with root privileges. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by authenticating to the device and submitting crafted input to the CLI. The attacker must be authenticated to access the CLI. A successful exploit could allow the attacker to execute commands with root privileges.

Vulnerability class: Broken Authentication

EPSS: 0.004 (30.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-3388?
CVE-2020-3388 is a high-severity vulnerability in Cisco 1100-4g Integrated Services Router, classified under Improper Authentication. CVSS score: 7.8/10. Published 2020-07-16.
How severe is CVE-2020-3388?
High severity. CVSS v3 base score is 7.8 out of 10.