Files or Directories Accessible to External Parties in Cisco Firewall Threat Defense (FTD) - CVE-2021-1256
Published: April 29, 2021
Vulnerability identifier: #VU52741
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-1256
CWE-ID: CWE-552
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to overwrite files on the target system
The vulnerability exists due to insufficient validation of user input for the file path in a specific CLI command. A local administrator can overwrite arbitrary files on the file system of the affected device.
Affected software
Cisco Firewall Threat Defense (FTD)
How to mitigate CVE-2021-1256
Install updates from vendor's website.
Cisco Firewall Threat Defense (FTD) - addressed in versions 6.6.4, 6.7.0