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6.7mediumMedium

CVE-2020-3166

Cisco Secure Firewall Threat Defense

A vulnerability in the CLI of Cisco FXOS Software could allow an authenticated, local attacker to read or write arbitrary files on the underlying operating system (OS). The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by including crafted arguments to a specific CLI command. A successful exploit could allow the attacker to read or write to arbitrary files on the underlying OS.

Exploitation status

  • A vendor advisory or patch reference has been published.

What the metrics mean

  • It is requires local access to the machine.
  • For an attacker who can reach it, no special conditions are needed to exploit it.
  • To exploit it, an administrative account is needed.
  • Beyond that, no action by a user is required.

Scoring

CVSS
6.7 (v3.1)
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-20
Assigned by
psirt@cisco.com

Dates

Published
2020-02-26
Last modified
2026-08-11
Sources
NVD

Affected products

  • Cisco Secure Firewall Threat Defense6.2.2 - 6.2.3.16, 6.3.0 - 6.5.0.3
  • Cisco Adaptive Security Appliance Software9.8 - 9.9.2.66, 9.10 - 9.13.1.5
  • Cisco Firepower 1010all versions
  • Cisco Firepower 1120all versions
  • Cisco Firepower 1140all versions
  • Cisco Firepower 1150all versions
  • Cisco Firepower 2110all versions
  • Cisco Firepower 2120all versions
  • Cisco Firepower 2130all versions
  • Cisco Firepower 2140all versions
  • Cisco Firepower Extensible Operating System- 2.2.2.97, 2.3 - 2.3.1.155, 2.4 - 2.4.1.238, 2.6 - 2.6.1.157
  • Cisco Firepower 4110all versions

As listed in the NVD configuration data. Not a statement about your estate.

References