Files or Directories Accessible to External Parties in Cisco IOS XE - CVE-2020-3476
Published: September 24, 2020 / Updated: September 30, 2020
Vulnerability identifier: #VU47215
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-3476
CWE-ID: CWE-552
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco IOS XE
Cisco IOS XE
Detailed vulnerability description
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.
How to mitigate CVE-2020-3476
Install updates from vendor's website.