SB2021032915 - Privilege escalation in Cisco IOS XE
Published: March 29, 2021
Security Bulletin ID
SB2021032915
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Write-what-where Condition (CVE-ID: CVE-2021-1390)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to the affected software permits modification of the run-time memory of an affected device under specific circumstances. A local administrator can trigger a logic error in the code that was designed to restrict run-time memory modifications and execute arbitrary code on the underlying Linux operating system.
Remediation
Install update from vendor's website.