Cisco Secure Firewall Management Center
CVE-2020-3550
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.
What this means for your business
- It affects Cisco Secure Firewall Management Center. It matters if your company, or a supplier that handles your data, runs it.
- An attacker can use it remotely, over a network, with an ordinary user login, and without anyone at your company clicking anything.
- FIRST's prediction model gives it a 2% chance of attack attempts being seen in the next 30 days, ranking above 81% of all known flaws.
What to do
- 1Check whether your company or your suppliers run Cisco Secure Firewall Management Center, and which version. The affected versions are listed further down this page.
- 2If you do, apply the vendor's fix. A patch or vendor advisory has been published.
Not sure if your company is exposed?
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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.