CVE-2020-3253

medium Cisco
CVSS v3 Base Score
6.7
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.3%
Exploitation probability in 30 days
Top 77% most likely to be exploited
Attack Characteristics
Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Published: May 6, 2020 (2314 days ago)
Last Modified: August 11, 2026
Vendor: Cisco
Source: NVD

Description

A vulnerability in the support tunnel feature of Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, local attacker to access the shell of an affected device even though expert mode is disabled. The vulnerability is due to improper configuration of the support tunnel feature. An attacker could exploit this vulnerability by enabling the support tunnel, setting a key, and deriving the tunnel password. A successful exploit could allow the attacker to run any system command with root access on an affected device.

CWE

CWE-284

Affected Products

cisco secure firewall threat defense

References

🔗 tools.cisco.com 🔗 tools.cisco.com