SB2021032521 - Privilege escalation in Cisco IOS XE SD-WAN Software

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Main Vulnerability Database SB2021032521

SB2021032521 - Privilege escalation in Cisco IOS XE SD-WAN Software

Published: March 25, 2021

Security Bulletin ID SB2021032521
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Physical access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper Privilege Management (CVE-ID: CVE-2021-1371)

CWE-ID: CWE-269 - Improper Privilege Management

CVSSv4: CVSS:4.0/AV:P/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to escalate privileges.

The vulnerability exists due to improper privilege management within the role-based access control of Cisco IOS XE SD-WAN Software. A local user with read-only privileges can obtain administrative privileges by using the console port when the device is in the default SD-WAN configuration.

Successful exploitation of the vulnerability may allow a user with read-only permissions to access administrative privileges.


Remediation

Install update from vendor's website.

References