CVE-2021-34762
HIGHCisco Firepower Management Center - Authenticated Path Traversal and Arbitrary File Write via HTTPS Request
Title source: llmDescription
A vulnerability in the web-based management interface of Cisco Firepower Management Center (FMC) Software could allow an authenticated, remote attacker to perform a directory traversal attack on an affected device. The attacker would require valid device credentials. The vulnerability is due to insufficient input validation of the HTTPS URL by the web-based management interface. An attacker could exploit this vulnerability by sending a crafted HTTPS request that contains directory traversal character sequences to an affected device. A successful exploit could allow the attacker to read or write arbitrary files on the device.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
x_refsource_cisco
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-dir-traversal-95UyW5tk
Scores
CVSS v3
8.1
EPSS
0.0019
EPSS Percentile
41.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-26
CWE-22
Status
published
Products (19)
cisco/firepower_management_center_virtual_appliance
6.2.3
cisco/firepower_management_center_virtual_appliance
6.4.0
cisco/firepower_management_center_virtual_appliance
6.5.0
cisco/firepower_management_center_virtual_appliance
6.6.1
cisco/firepower_management_center_virtual_appliance
6.6.2
cisco/firepower_management_center_virtual_appliance
6.6.3
cisco/firepower_management_center_virtual_appliance
6.6.4
cisco/firepower_management_center_virtual_appliance
6.7.0
cisco/firepower_management_center_virtual_appliance
7.0.0
cisco/firepower_management_center_virtual_appliance
7.1.0
... and 9 more
Published
Oct 27, 2021
Tracked Since
Feb 18, 2026