SB2021032521 - Privilege escalation in Cisco IOS XE SD-WAN Software
Published: March 25, 2021
Security Bulletin ID
SB2021032521
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Physical access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Privilege Management (CVE-ID: CVE-2021-1371)
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.