SB2020093097 - Arbitrary File Overwrite in Cisco IOS XE Software



SB2020093097 - Arbitrary File Overwrite in Cisco IOS XE Software

Published: September 30, 2020

Security Bulletin ID SB2020093097
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Files or Directories Accessible to External Parties (CVE-ID: CVE-2020-3476)

The vulnerability allows a local user to overwrite arbitrary files in the underlying host file system.

The vulnerability exists due to insufficient validation of the parameters of a specific CLI command. A local administrator can issue that command with specific parameters and overwrite the content of any arbitrary file that resides on the underlying host file system.


Remediation

Install update from vendor's website.