Vulnerability Details : 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.
Vulnerability category: Directory traversal
Products affected by CVE-2020-3550
- cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:firepower_threat_defense:6.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:firepower_threat_defense:6.2.1:*:*:*:*:*:*:*
- Cisco » Secure Firewall Management CenterVersions from including (>=) 6.4.0 and before (<) 6.4.0.10cpe:2.3:a:cisco:secure_firewall_management_center:*:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:secure_firewall_management_center:*:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:secure_firewall_management_center:*:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:secure_firewall_management_center:6.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:secure_firewall_management_center:6.2.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-3550
0.21%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 59 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-3550
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:P/A:N |
8.0
|
4.9
|
NIST | |
|
8.1
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
2.8
|
5.2
|
Cisco Systems, Inc. | |
|
8.1
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
2.8
|
5.2
|
NIST |
CWE ids for CVE-2020-3550
-
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.Assigned by:
- nvd@nist.gov (Primary)
- ykramarz@cisco.com (Secondary)
References for CVE-2020-3550
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftdfmc-dirtrav-NW8XcuSB
Cisco Firepower Management Center Software and Firepower Threat Defense Software Directory Traversal VulnerabilityVendor Advisory
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