CVE-2020-3207

MEDIUM

Cisco IOS XE - Authenticated OS Command Injection via Boot Options Processing

Title source: llm
STIX 2.1

Description

A vulnerability in the processing of boot options of specific Cisco IOS XE Software switches could allow an authenticated, local attacker with root shell access to the underlying operating system (OS) to conduct a command injection attack during device boot. This vulnerability is due to insufficient input validation checks while processing boot options. An attacker could exploit this vulnerability by modifying device boot options to execute attacker-provided code. A successful exploit may allow an attacker to bypass the Secure Boot process and execute malicious code on an affected device with root-level privileges.

References (1)

Core 1
Core References

Scores

CVSS v3 6.7
EPSS 0.0021
EPSS Percentile 43.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/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 (19)
cisco/ios_xe 16.9.2
cisco/ios_xe 16.9.2a
cisco/ios_xe 16.9.2s
cisco/ios_xe 16.9.3
cisco/ios_xe 16.9.3a
cisco/ios_xe 16.9.3h
cisco/ios_xe 16.9.3s
cisco/ios_xe 16.9.4
cisco/ios_xe 16.10.1
cisco/ios_xe 16.10.1e
... and 9 more
Published Jun 03, 2020
Tracked Since Feb 18, 2026