CVE-2021-1381

MEDIUM

Cisco IOS XE - Privilege Escalation

Title source: llm
STIX 2.1

Description

A vulnerability in Cisco IOS XE Software could allow an authenticated, local attacker with high privileges or an unauthenticated attacker with physical access to the device to open a debugging console. The vulnerability is due to insufficient command authorization restrictions. An attacker could exploit this vulnerability by running commands on the hardware platform to open a debugging console. A successful exploit could allow the attacker to access a debugging console.

Scores

CVSS v3 6.1
EPSS 0.0012
EPSS Percentile 30.6%
Attack Vector PHYSICAL
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-489
Status published
Products (36)
cisco/ios_xe 16.11.1
cisco/ios_xe 16.11.1a
cisco/ios_xe 16.11.1b
cisco/ios_xe 16.11.1c
cisco/ios_xe 16.11.1s
cisco/ios_xe 16.11.2
cisco/ios_xe 16.12.1
cisco/ios_xe 16.12.1a
cisco/ios_xe 16.12.1c
cisco/ios_xe 16.12.1s
... and 26 more
Published Mar 24, 2021
Tracked Since Feb 18, 2026