PT-2020-2676 · Cisco · Cisco Ios Xe

Published 2020-06-03 · Updated 2020-06-05 · CVE-2020-3207

Positive Technologies (AI Summary)

CVSS v2.0

7.2

High

Base vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Cisco IOS XE Software (affected versions not specified)

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.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Command Injection

OS Command Injection

Weakness Enumeration

CWE-77

CWE-78

Related Identifiers

BDU:2020-02743

CVE-2020-3207

Affected Products

Cisco Ios Xe

References · 5

• https://bdu.fstec.ru/vul/2020-02743 · Security Note
• https://osv.dev/vulnerability/CVE-2020-3207 · Vendor Advisory
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ngwc-cmdinj-KEwWVWR · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-3207 · Security Note
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ngwc-cmdinj-KEwWVWR · Vendor Advisory