CVE-2020-3211

HIGH

Cisco IOS XE - Privilege Escalation

Title source: llm
STIX 2.1

Description

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.

References (1)

Core 1
Core References

Scores

CVSS v3 7.2
EPSS 0.0118
EPSS Percentile 79.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-78 CWE-77
Status published
Products (16)
cisco/ios_xe 16.10.1
cisco/ios_xe 16.10.1a
cisco/ios_xe 16.10.1b
cisco/ios_xe 16.10.1e
cisco/ios_xe 16.10.1s
cisco/ios_xe 16.10.2
cisco/ios_xe 16.11.1
cisco/ios_xe 16.11.1a
cisco/ios_xe 16.11.1b
cisco/ios_xe 16.11.1c
... and 6 more
Published Jun 03, 2020
Tracked Since Feb 18, 2026