What is CVE-2020-3211?

CVE-2020-3211 is a high-severity vulnerability in Cisco iOS Xe Software 16.10.1, classified under Command Injection. CVSS score: 7.2/10. Published 2020-06-03.

How severe is CVE-2020-3211?

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

RCE in Cisco iOS Xe Software 16.10.1

CVE-2020-3211

A vulnerability in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker to execute arbitrary commands with root privileges on the underlying operating system of an affected device. The vulnerability is due to improper input sanitization. An attacker who has valid administrative access to an affected device could exploit this vulnerability by supplying a crafted input parameter on a form in the web UI and then submitting that form. A successful exploit could allow the attacker to execute arbitrary commands with root privileges on the device, which could lead to complete system compromise.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.035 (88.0th 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

Cisco Ios Xe Software 16.10.1 — versions n/a
Cisco Ios_xe — versions 16.10.1, 16.10.1a, 16.10.1b

Weakness classification (CWE)

References

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

Frequently asked questions

What is CVE-2020-3211?: CVE-2020-3211 is a high-severity vulnerability in Cisco iOS Xe Software 16.10.1, classified under Command Injection. CVSS score: 7.2/10. Published 2020-06-03.
How severe is CVE-2020-3211?: High severity. CVSS v3 base score is 7.2 out of 10.