8.1highHigh

CVE-2020-3550

Cisco Secure Firewall Management Center

A vulnerability in the sfmgr daemon of Cisco Firepower Management Center (FMC) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, remote attacker to perform directory traversal and access directories outside the restricted path. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by using a relative path in specific sfmgr commands. An exploit could allow the attacker to read or write arbitrary files on an sftunnel-connected peer device.

Exploitation status

  • A vendor advisory or patch reference has been published.

What the metrics mean

  • It is reachable over a network, without needing local access.
  • For an attacker who can reach it, no special conditions are needed to exploit it.
  • To exploit it, an ordinary user account is needed.
  • Beyond that, no action by a user is required.

Scoring

CVSS
8.1 (v3.1)
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Weakness
CWE-22
Assigned by
psirt@cisco.com

Dates

Published
2020-10-21
Last modified
2026-08-11
Sources
NVD

Affected products

  • Cisco Secure Firewall Management Center- 6.0.1, 6.3.0 - 6.3.0.6, 6.4.0 - 6.4.0.10, 6.2.0, 6.2.1
  • Cisco Secure Firewall Threat Defense- 6.0.1, 6.3.0 - 6.3.0.6, 6.4.0 - 6.4.0.10, 6.2.0, 6.2.1

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

References