CVE-2020-3218CWE-20

Cisco IOS XE Software Web UI Remote Code Execution Vulnerability

High · published June 3, 2020

CVSS v3.0
7.2
EPSS
5%
Percentile
92.1
In the wild
Unconfirmed
What it is

A vulnerability in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker with administrative privileges to execute arbitrary code with root privileges on the underlying Linux shell. The vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by first creating a malicious file on the affected device itself and then uploading a second malicious file to the device. A successful exploit could allow the attacker to execute arbitrary code with root privileges or bypass licensing requirements on the device.

The record
Technical detail
CVSS v3.0
7.2 · HIGH
Vector
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.04935 · 92.1th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2020-06-03T17:41Z
EPSS history
Timeline
  • 03 JUN 17:41Z
    Cisco IOS XE Software Web UI Remote Code Execution Vulnerability
    cvelistv5